{"title":"Pocket Testers","description":null,"products":[{"product_id":"apera-instruments-value-series-ph20-pocket-ph-tester-ph-meter-kit","title":"Value Series PH20 Pocket pH Tester pH Meter Kit","description":"\u003ch3 style=\"text-align: center;\"\u003e\u003cstrong\u003eApera PH20 Pocket pH Tester – Fast, Accurate, and Built for Reliability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv style=\"max-width: 1200px; margin: 0 auto; padding: 40px 20px;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; text-align: center;\"\u003e\n\u003c!-- Feature 1 --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/ph20_probe.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eQuality glass bulb probe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eEnsures reliable pH tests for regular water solutions\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Feature 2 --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/waterproof_ph20.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eRugged design\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eIP67 Waterproof and Dustproof\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Feature 3 --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/battery_ph20.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003ePowered by AAA batteries\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eUp to 1000 hours of continued use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eThe \u003cstrong\u003eApera Instruments PH20 Pocket pH Tester\u003c\/strong\u003e is a precision-driven, \u003cstrong\u003ehigh-performance pH meter\u003c\/strong\u003e designed for effortless and reliable testing in hydroponics, pools, drinking water, laboratories, and more. Equipped with \u003cstrong\u003eApera's proprietary low-impedance pH sensor\u003c\/strong\u003e, it delivers \u003cstrong\u003erapid response times\u003c\/strong\u003e and ensures \u003cstrong\u003econsistently accurate readings\u003c\/strong\u003e across various water conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/uehh1KFaNI0?si=H-eYmmdD-VSvm_cu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSmart Features for Professional-Grade Accuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEffortless Auto Calibration\u003c\/strong\u003e with 1 to 3-point calibration and \u003cstrong\u003eautomatic buffer recognition\u003c\/strong\u003e, eliminating the guesswork.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e ensures precise measurements, adjusting for temperature fluctuations between \u003cstrong\u003e32-122˚F\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStable Reading Recognition\u003c\/strong\u003e technology improves consistency, signaling when the measurement is steady for recording.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLong-Lasting Performance\u003c\/strong\u003e, operating up to \u003cstrong\u003e2000 hours\u003c\/strong\u003e on four AAA batteries for uninterrupted testing sessions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Lj_4DW7fXms?si=c7RrEJ3Q0WH5RaLk\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDurable, Portable, and Ready for Use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eComplete Testing Kit\u003c\/strong\u003e, including \u003cstrong\u003epre-mixed calibration solutions, batteries, and a lanyard\u003c\/strong\u003e, all housed in a rugged carrying case.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIP67 Waterproof and Dustproof Design\u003c\/strong\u003e, built to withstand real-world environments and accidental drops into water.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIntuitive Interface\u003c\/strong\u003e with a \u003cstrong\u003elarge, high-contrast display\u003c\/strong\u003e, allowing for easy reading even in challenging conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/kit.jpg\" alt=\"kit\" title=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for professionals and hobbyists alike, the \u003cstrong\u003eApera PH20 Pocket pH Tester\u003c\/strong\u003e is the trusted solution for those who demand \u003cstrong\u003espeed, accuracy, and durability\u003c\/strong\u003e in their pH testing. 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Its \u003cstrong\u003eadvanced platinum black conductivity probe\u003c\/strong\u003e ensures \u003cstrong\u003eprecise and consistent readings\u003c\/strong\u003e across a wide range of solutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOptimized for Professional-Grade Accuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWide Conductivity Range\u003c\/strong\u003e: Measures \u003cstrong\u003e0 to 20.00 mS\/cm\u003c\/strong\u003e with \u003cstrong\u003e±1% full-scale accuracy\u003c\/strong\u003e for reliable results.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e: Adjusts readings for \u003cstrong\u003etemperature variations between 0 to 50°C (32 to 122°F)\u003c\/strong\u003e to maintain precision.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e1-2 Point Auto Calibration\u003c\/strong\u003e: Simplifies setup with \u003cstrong\u003ebuffer recognition\u003c\/strong\u003e, ensuring effortless calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSmart Design for Reliable Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUltra-Clear 180° Viewing Angle Display\u003c\/strong\u003e: Shows \u003cstrong\u003edual temperature and TDS readings\u003c\/strong\u003e with real-time stability indicators.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSelf-Diagnosis Alerts\u003c\/strong\u003e: Detects \u003cstrong\u003eout-of-range errors\u003c\/strong\u003e, \u003cstrong\u003eincorrect calibration\u003c\/strong\u003e, and \u003cstrong\u003elow battery warnings\u003c\/strong\u003e to enhance reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWaterproof and Dustproof (IP67 Rated)\u003c\/strong\u003e: Floats on water, minimizing risks during field testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eComplete Testing Kit for Convenience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncludes \u003cstrong\u003ecalibration solutions (1413 µS and 12.88 mS), AAA batteries, and a lanyard\u003c\/strong\u003e, housed in a \u003cstrong\u003erugged carrying case\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e200-hour continuous operation\u003c\/strong\u003e, with an \u003cstrong\u003eauto power-off feature after 8 minutes of inactivity\u003c\/strong\u003e to conserve battery life.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eEngineered for professionals and everyday users, the \u003cstrong\u003eApera TDS20 Pocket Tester\u003c\/strong\u003e delivers \u003cstrong\u003eprecise, effortless, and dependable TDS testing\u003c\/strong\u003e for water quality management. 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Whether for \u003cstrong\u003escientific applications, field testing, or routine water quality management\u003c\/strong\u003e, this meter provides \u003cstrong\u003econsistent, laboratory-grade performance\u003c\/strong\u003e with effortless operation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Apera Instruments","offers":[{"title":"Default Title","offer_id":50134604316970,"sku":"BTS-AI214","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/salt20_1_1876e883-a804-4f8b-a309-2142f5acea19.webp?v=1745180212"},{"product_id":"apera-instruments-premium-series-ph60-pocket-ph-tester-ph-meter-kit","title":"Premium Series PH60 Pocket pH Tester pH Meter Kit","description":"\u003ch3 style=\"text-align: center;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eApera \u003c\/span\u003e\u003cspan\u003eInstruments \u003c\/span\u003e\u003cspan\u003ePH60 \u003c\/span\u003e\u003cspan\u003ePocket \u003c\/span\u003e\u003cspan\u003epH \u003c\/span\u003e\u003cspan\u003eTester \u003c\/span\u003e\u003cspan\u003e– \u003c\/span\u003e\u003cspan\u003eProfessional \u003c\/span\u003e\u003cspan\u003eAccuracy \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003ea \u003c\/span\u003e\u003cspan\u003ePortable \u003c\/span\u003e\u003cspan\u003eDesign\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cdiv style=\"max-width: 1200px; margin: 0 auto; padding: 40px 20px;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; text-align: center;\"\u003e\n\u003c!-- 1: Rugged Design --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/e0f525ef-7606-4815-bca0-ba9ed4cf8e36.jpg._CB273500973_.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eRugged design\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eIP67 waterproof and dustproof\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 2: 3-Color Backlit Screen --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/3-color_screen.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003e3-Color Backlit Screen\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eBlue for measuring mode, green for calibration, red for alarm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 3: Powered by AAA Batteries --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/c7a4674a-ebbc-4d43-9cde-4d414a162377.jpg._CB273446820_.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003ePowered by AAA batteries\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eUp to 1000 hours of continued use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 4: Default PH60-E pH Probe --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/PH60-Z_Probe.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eDefault PH60-E pH Probe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003efor regular water solutions' pH (hydroponics, pools, environmental...)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 5: Optional PH60S-E pH Probe --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/PH2S-Z_probe.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eOptional PH60S-E pH Probe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003edesigned for pH test of soft solid samples e.g. cheese, soil, sushi rice...\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 6: Optional PH60F-E pH Probe --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/PH1F-Z_probe.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eOptional PH60F-E pH Probe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003edesigned for pH test of flat surface e.g. skin, paper, fabrics...\u003cbr\u003eand small volume liquid test\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eApera Instruments Premium Series PH60 Pocket pH Tester\u003c\/strong\u003e is the \u003cstrong\u003eultimate handheld pH meter\u003c\/strong\u003e, delivering \u003cstrong\u003eprecision, versatility, and reliability\u003c\/strong\u003e for \u003cstrong\u003elaboratory, industrial, and water quality applications\u003c\/strong\u003e. With a \u003cstrong\u003ehigh accuracy of ±0.01 pH\u003c\/strong\u003e, a \u003cstrong\u003ewide -2.00 to 16.00 pH range\u003c\/strong\u003e, and \u003cstrong\u003eautomatic temperature compensation (ATC) from 0 to 50°C\u003c\/strong\u003e, this device ensures \u003cstrong\u003estable and trustworthy measurements in any environment\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Features for Effortless Calibration and Accuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEasy Auto Calibration\u003c\/strong\u003e with \u003cstrong\u003ebuffer recognition\u003c\/strong\u003e, allowing seamless and precise setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e to ensure \u003cstrong\u003econsistent readings across temperature variations\u003c\/strong\u003e, eliminating manual adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAuto Recognition of Stable Values\u003c\/strong\u003e with an \u003cstrong\u003eoptional Auto HOLD function\u003c\/strong\u003e, so you lock in readings with complete confidence.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/J1qheR7jF54?si=7uJfYXdInZMl-DBD\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eVersatile Testing with Interchangeable Probes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with \u003cstrong\u003efour replaceable probes\u003c\/strong\u003e for specialized applications: \u003cstrong\u003ePH60-E, PH60S-E, PH60F-E, and ORP60-E\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBrush-resistant platinum black sensor technology\u003c\/strong\u003e delivers \u003cstrong\u003ehigh durability and superior measurement stability\u003c\/strong\u003e across various solutions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg title=\"\" alt=\"ph60_kit2\" src=\"https:\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/ph60_kit2.jpg\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineered for Clarity and Convenience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLarge, high-contrast LCD screen with three backlit color modes\u003c\/strong\u003e, indicating \u003cstrong\u003edifferent operational states\u003c\/strong\u003e for effortless usability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDual temperature and pH display\u003c\/strong\u003e, alongside \u003cstrong\u003ecalibration reminders and real-time stability indicators\u003c\/strong\u003e for intuitive operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eComplete professional testing kit\u003c\/strong\u003e, including \u003cstrong\u003eready-to-use calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard\u003c\/strong\u003e, packed in a \u003cstrong\u003epremium portable carrying case\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/WFpz185D_D8?si=9v2uGQ0XznHXPOXW\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eApera PH60 Pocket pH Tester\u003c\/strong\u003e is built for \u003cstrong\u003eprofessionals, researchers, and precision-focused users\u003c\/strong\u003e who demand \u003cstrong\u003ehigh-performance pH measurement in a compact, field-ready design\u003c\/strong\u003e. Whether for \u003cstrong\u003escientific research, industrial quality control, or water analysis\u003c\/strong\u003e, this meter ensures \u003cstrong\u003elaboratory-grade accuracy with user-friendly functionality\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/regular_application.jpg\" alt=\"\" title=\"\"\u003e\u003c\/p\u003e","brand":"Apera Instruments","offers":[{"title":"Default Title","offer_id":50134686335274,"sku":"BTS-AI311","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/ph60-main.webp?v=1745183739"},{"product_id":"apera-instruments-premium-series-ph60f-pocket-ph-pocket-tester-kit-for-surface-testing","title":"Premium Series PH60F Pocket pH Pocket Tester Kit for Surface Testing","description":"\u003ch3 style=\"text-align: center;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eApera Instruments PH60F Pocket pH Tester – Precision Surface Testing for Advanced Applications\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cdiv style=\"max-width: 1200px; margin: 0 auto; padding: 40px 20px;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; text-align: center;\"\u003e\n\u003c!-- 1: Rugged Design --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/e0f525ef-7606-4815-bca0-ba9ed4cf8e36.jpg._CB273500973_.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eRugged design\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eIP67 waterproof and dustproof\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 2: 3-Color Backlit Screen --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/3-color_screen.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003e3-Color Backlit Screen\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eBlue for measuring mode, green for calibration, red for alarm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 3: Powered by AAA Batteries --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/c7a4674a-ebbc-4d43-9cde-4d414a162377.jpg._CB273446820_.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003ePowered by AAA batteries\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eUp to 1000 hours of continued use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 4: Default PH60-E pH Probe --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/PH60-Z_Probe.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eDefault PH60-E pH Probe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003efor regular water solutions' pH (hydroponics, pools, environmental...)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 5: Optional PH60S-E pH Probe --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/PH2S-Z_probe.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eOptional PH60S-E pH Probe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003edesigned for pH test of soft solid samples e.g. cheese, soil, sushi rice...\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 6: Optional PH60F-E pH Probe --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/PH1F-Z_probe.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eOptional PH60F-E pH Probe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003edesigned for pH test of flat surface e.g. skin, paper, fabrics...\u003cbr\u003eand small volume liquid test\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eApera Instruments Premium Series PH60F Pocket pH Tester\u003c\/strong\u003e is \u003cstrong\u003especifically designed for high-accuracy pH measurement on flat surfaces\u003c\/strong\u003e, making it the \u003cstrong\u003eideal solution for food, cosmetics, textiles, paper, and other specialized applications\u003c\/strong\u003e. 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Featuring a \u003cstrong\u003eSwiss spear pH probe\u003c\/strong\u003e, this tester delivers \u003cstrong\u003efast, accurate readings\u003c\/strong\u003e in \u003cstrong\u003echeese, meats, sauces, jams, dairy, cosmetics, and beyond\u003c\/strong\u003e, ensuring \u003cstrong\u003ereliable pH analysis across a variety of industries\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/zBc7HChXw2w?si=7gHTIjxaPpmbe9jI\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOptimized for Specialized pH Measurement\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSwiss spear pH probe\u003c\/strong\u003e – Designed for \u003cstrong\u003epenetrating soft solids and viscous liquids\u003c\/strong\u003e, ensuring \u003cstrong\u003elab-grade accuracy\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEasy Auto Calibration\u003c\/strong\u003e – \u003cstrong\u003e1 to 3-point calibration\u003c\/strong\u003e with \u003cstrong\u003eauto buffer recognition\u003c\/strong\u003e, eliminating setup guesswork.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e – Delivers \u003cstrong\u003econsistent results\u003c\/strong\u003e across temperature shifts \u003cstrong\u003e(0-50°C)\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIntelligent Display \u0026amp; 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margin: 0 auto; padding: 40px 20px;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; text-align: center;\"\u003e\n\u003c!-- 1: Rugged design --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/e0f525ef-7606-4815-bca0-ba9ed4cf8e36.jpg._CB273500973_.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eRugged design\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eIP67 waterproof and dustproof\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 2: 2-Color Backlit Screen --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/549fe6ed-5f6c-4e9b-8938-fed6b1c6e0b7.png._CB271291703_.png'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003e2-Color Backlit Screen\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eBlue for measuring mode \u0026amp; green for calibration\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 3: Powered by AAA Batteries --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/c7a4674a-ebbc-4d43-9cde-4d414a162377.jpg._CB273446820_.jpg'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003ePowered by AAA batteries\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #333;\"\u003eUp to 1000 hours of continued use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 4: Default PC60-E Combo Probe --\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 350px;\"\u003e\n\u003cdiv style=\"width: 140px; height: 140px; margin: 0 auto 20px; border-radius: 50%; background-image: url('\/\/cfrouting.zoeysite.com\/cdn-cgi\/image\/format=auto,fit=scale-down,quality=70\/https:\/\/s3.amazonaws.com\/zcom-media\/sites\/a0i0L00000VJHGsQAP\/media\/mediamanager\/0586541a-6da6-4626-b79b-00abb1a9a149.png._CB271314096_.png'); background-size: cover; background-position: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 10px;\"\u003eDefault PC60-E Combo Probe\u003c\/div\u003e\n\u003cdiv style=\"font-size: 0.95em; 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Whether you’re \u003cstrong\u003eoptimizing nutrient absorption, balancing EC levels, or ensuring effective water treatment\u003c\/strong\u003e, this tester eliminates \u003cstrong\u003eguesswork\u003c\/strong\u003e and puts \u003cstrong\u003elab-grade accuracy at your fingertips\u003c\/strong\u003e, helping you \u003cstrong\u003emaximize plant health and boost yields effortlessly\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose GroStar® GS4-P?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe GS4-P isn’t just a tester—it’s a \u003cstrong\u003ecomprehensive solution designed for growers who take their results seriously\u003c\/strong\u003e. Equipped with a \u003cstrong\u003eSwiss-engineered double-junction pH sensor and a titanium conductivity probe\u003c\/strong\u003e, this meter \u003cstrong\u003edelivers ultra-fast, stable readings\u003c\/strong\u003e, ensuring \u003cstrong\u003elong-term durability even in challenging conditions\u003c\/strong\u003e. The \u003cstrong\u003eintegrated ORP probe\u003c\/strong\u003e gives growers \u003cstrong\u003ecritical insights into water quality and oxidation-reduction potential\u003c\/strong\u003e, helping them \u003cstrong\u003emonitor disinfection levels, nutrient uptake, and microbial activity\u003c\/strong\u003e for a healthier growing environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePrecision \u0026amp; Long-Term Reliability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSwiss Double-Junction pH Sensor\u003c\/strong\u003e – Provides \u003cstrong\u003ehigh-precision pH readings\u003c\/strong\u003e while minimizing \u003cstrong\u003econtamination for extended lifespan\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTitanium Conductivity Sensor\u003c\/strong\u003e – Ensures \u003cstrong\u003efast, stable EC and ppm measurements\u003c\/strong\u003e with superior \u003cstrong\u003eresistance to corrosion and environmental conditions\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated ORP Probe\u003c\/strong\u003e – Allows \u003cstrong\u003eoxidation-reduction potential monitoring\u003c\/strong\u003e, making it an \u003cstrong\u003eessential tool for water treatment, disinfection, and nutrient balance\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTruRead Measurement Mode\u003c\/strong\u003e – Automatically collects multiple readings, displaying \u003cstrong\u003eaverage, minimum, and maximum values\u003c\/strong\u003e for deeper analysis and more reliable results.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDesigned for Effortless Calibration \u0026amp; User-Friendly Operation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQuick 2-Point Automatic Calibration\u003c\/strong\u003e – Ensures \u003cstrong\u003eseamless, stress-free calibration\u003c\/strong\u003e, so you get \u003cstrong\u003eprecise results every time\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eElectrode Condition Display\u003c\/strong\u003e – Lets you know \u003cstrong\u003ewhen recalibration is needed\u003c\/strong\u003e, ensuring \u003cstrong\u003econsistency and reliability\u003c\/strong\u003e in every reading.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e3-Color Backlit LCD Screen\u003c\/strong\u003e – Provides \u003cstrong\u003einstant readability in bright, dim, or dark environments\u003c\/strong\u003e, making \u003cstrong\u003etesting easy under any conditions\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eReplaceable Probe Design\u003c\/strong\u003e – Saves costs, allowing \u003cstrong\u003esimple probe replacements without discarding the entire device\u003c\/strong\u003e for \u003cstrong\u003elong-term usability\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDurability Meets Practicality\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWaterproof \u0026amp; Impact-Resistant Construction\u003c\/strong\u003e – Designed for \u003cstrong\u003eharsh field conditions, greenhouse environments, and hydroponic setups\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCompact \u0026amp; Portable Design\u003c\/strong\u003e – \u003cstrong\u003eEasy to carry\u003c\/strong\u003e, ensuring \u003cstrong\u003eeffortless testing in multiple locations\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBuilt for Growers Who Demand Results\u003c\/strong\u003e – Perfect for \u003cstrong\u003ehydroponics, greenhouse cultivation, commercial farming, and research applications\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eBoost Your Yield with Unmatched Accuracy \u0026amp; Convenience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFrom \u003cstrong\u003enutrient balance to water quality monitoring\u003c\/strong\u003e, the \u003cstrong\u003eGroStar® GS4-P 6-in-1 Combo Pen Tester (Gen II)\u003c\/strong\u003e gives you \u003cstrong\u003elab-grade precision in an intuitive, easy-to-use package\u003c\/strong\u003e. 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Get your GroStar® GS4-P today\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Apera Instruments","offers":[{"title":"Default Title","offer_id":50139787100458,"sku":"BTS-AI204G","price":245.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/gs4_ph_ec_combo_-ec_screen.webp?v=1745349216"},{"product_id":"milwaukee-t76-waterproof-high-range-total-dissolved-solids-pen-tds","title":"Milwaukee T76  Waterproof High Range Total Dissolved Solids Pen (TDS)","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px;\n                        font-family: 'Open Sans', sans-serif; font-weight: 300;\n                        color: #333; background: #fff; font-size: 0.95rem;\n                        box-sizing: border-box;\"\u003e\n              \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n                \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n                \u003ch1\u003e\u003cstrong\u003eDigital. Simple. Compact.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Milwaukee T76 Waterproof High Range Total Dissolved Solids (TDS) Pen is designed for, aquariums, aquaculture, education, pools, water conditioning and many other applications. The T76 helps you make sure that your fish have the right TDS balance to help them stay healthy. TDS also help keep filters up-to-date and clean for water filtration or pools. Keep TDS in your target range to help your achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Total Dissolved (TDS) direct. \u003c\/li\u003e\n\u003cli\u003eEasy-to-read LCD.\u003c\/li\u003e\n\u003cli\u003eIdeal range for aquariums and pools (0 to 9990 ppm).\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation.\u003c\/li\u003e\n\u003cli\u003eUnits in ppm easily convertible to \u003cspan\u003eµS\/cm\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse \u003cstrong\u003eM10038B\u003c\/strong\u003e 6.44 ppt solutions.\u003c\/li\u003e\n\u003cli\u003e250 hours continuous use (3 x 1.5V batteries included).\u003c\/li\u003e\n\u003cli\u003eSimple one point calibration.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eReplaceable TDS electrode \u003cstrong\u003eMA73076\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTDS\/PPM electrodes can develop nutrient build up over time. To minimize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConverting TDS to EC\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee TDS Pen, like all TDS meters, provides a measure of Total Dissolved Solids (ppm) reading, of contaminates per unit of volume in a solution.\u003c\/p\u003e\n\u003cp\u003eTDS\/PPM is often converted to µS\/cm. Different scales include the 500 scale, 650 scale and the 700 scale. \u003c\/p\u003e\n\u003cp\u003eYour TDS\/PPM readings can be approximately converted to µS\/cm as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e1 ppm = 2 µS\/cm on the 0.5 factor scale\u003cbr\u003e\u003cspan\u003e1 ppm = 1.43 µ\u003c\/span\u003eS\/cm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003cdiv class=\"uCalc_222669\"\u003e \u003c\/div\u003e\n\u003cp\u003eThank you for considering Milwaukee to help you take your results to the next level.\u003c\/p\u003e\n\n                \u003c!-- snippet location product_description --\u003e\n\n            \u003c\/div\u003e\n              \u003c\/div\u003e\n            \u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549130232106,"sku":"BTS-T76","price":56.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/T76-Front-Cap-On__01756.1605893684.jpg?v=1756585872"},{"product_id":"milwaukee-mw101-pro-ph-meter","title":"Milwaukee MW101 PRO pH Meter","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px;\n                        font-family: 'Open Sans', sans-serif; font-weight: 300;\n                        color: #333; background: #fff; font-size: 0.95rem;\n                        box-sizing: border-box;\"\u003e\n              \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n                \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n                \u003ch1\u003e\u003cstrong\u003eLab Grade. Engineered for Value.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Milwaukee MW101 PRO pH meter has won fans around the world with its reliable, fast operation as well as its rugged design and accuracy.\u003c\/p\u003e\n\u003ch2\u003eWhat People Are Saying\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\"This is an awesome pH meter!\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\"I love this little meter.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\"Rugged portable meter, calibrates easily with pH 4, 7 and 10 buffers, readings dead on.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee MW101 PRO pH meter has won fans around the world with its reliable, fast and simple operation as well as its toughness and accuracy.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee PRO pH Meter is preferred by people testing samples that cause other pH testers and meters to fail from brewers and wine makers to hydroponic growers and farmers.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee PRO pH meter offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpeed\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MW101 delivers fast results to ±0.02 pH accuracy with two point calibration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eToughness\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe rugged meter is designed to take knocks. Paired with low maintenance, lab grade SE220\u003cspan id=\"productTitle\" class=\"a-size-large\"\u003e double junction, gel filled electrode, the MW101 is ideal for everyone from educators and pool professionals to brewers and growers.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli\u003e±0.02 pH accuracy \u0026amp; 0.01 pH resolution.\u003c\/li\u003e\n\u003cli\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize.\u003c\/li\u003e\n\u003cli\u003e3’ probe cables for extra flexibility.\u003c\/li\u003e\n\u003cli\u003eManual two-point calibration for increased accuracy.\u003c\/li\u003e\n\u003cli\u003eGel-filled, double junction lab grade pH electrode for low maintenance and high performance\u003cspan class=\"Apple-converted-space\"\u003e.\u003c\/span\u003e\u003cspan class=\"Apple-converted-space\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eAcid Based calibrations, cleaning \u0026amp; storage solutions use \u003cstrong\u003ePH-START\u003c\/strong\u003e  add \u003cstrong\u003eMA9010\u003c\/strong\u003e (10.01 cal. buffer) or \u003cstrong\u003eM10010B\u003c\/strong\u003e if Basic cal. required.\u003cspan class=\"Apple-converted-space\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eAuto shut off and low power demand for approx. 300 hours of continuous use (battery included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUse and Care \u003c\/h2\u003e\n\u003cp\u003epH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSensing bulb\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eReference junction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH probe will no longer function.\u003c\/p\u003e\n\u003cp\u003eYou can extend the life of your pH electrode in the following ways.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCleaning and Storage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003cstrong\u003ePH-Main\u003c\/strong\u003e at checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015. Only use tap water short-term if \u003cstrong\u003eMA9015\u003c\/strong\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe best way to store the probe is with the probe's cap filled with storage solution or calibration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCleaning\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eResidue from the sample can impact the sensitivity of the sensing bulb and clog the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in cleaning solution \u003cstrong\u003eMA9016\u003c\/strong\u003e \u003cstrong\u003efor about 20 minutes.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe pH sensing bulbs become less sensitive over time so make sure that you are calibrating regularly to keep your PRO pH meter accurate. \u003cspan style=\"font-weight: 400;\"\u003eAlso, calibrate after cleaning or a long period of storage.  For BEST value, order the \u003cstrong\u003ePH-START\u003c\/strong\u003e Kit.  This has the MA9004 (230 mL bottle of 4.01 calibration Solution), MA9007 (230 mL bottle of 7.01 calibration Solution), MA9015 (230 mL bottle of Storage Solution), MA9016 (230 mL bottle of Cleaning Solution) all in one kit.\u003c\/span\u003e\u003c\/p\u003e\n\n                \u003c!-- snippet location product_description --\u003e\n\n            \u003c\/div\u003e\n              \u003c\/div\u003e\n            \u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549130264874,"sku":"BTS-MW101","price":193.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW101__44326.1608134806.jpg?v=1756585872"},{"product_id":"milwaukee-mw802-pro-3-in-1-ph-ec-tds-combo-meter-with-atc","title":"Milwaukee MW802 PRO 3-in-1 pH, EC, TDS Combo Meter with ATC","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px;\n                        font-family: 'Open Sans', sans-serif; font-weight: 300;\n                        color: #333; background: #fff; font-size: 0.95rem;\n                        box-sizing: border-box;\"\u003e\n              \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n                \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n                \u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis Milwaukee 3-in-1 combo meter allows you to measure pH, EC (conductivity) and TDS with a single meter and one single probe.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat People Are Saying\u003c\/h2\u003e\n\u003cp\u003e\"Superb meter, easy to use, great customer service.\"\u003c\/p\u003e\n\u003cp\u003e\"Best meter I have ever owned.\"\u003c\/p\u003e\n\u003cp\u003e\"The best meter on the market and Milwaukee customer service is the best.\"\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\"I have owned this meter for almost 8 years and only replaced the probe once. The calibration nobs are easy to use, and even when I am less then gentle with the thing it keeps on going. I wouldn't consider any other meter.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003epH and conductivity are critical for growers. pH can effect plant nutrient and water uptake and reduce the efficiency of fertilizer, herbicides and pesticides. Managing c\u003c\/span\u003e\u003cspan\u003eonductivity helps growers pinpoint fertilizer and other needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Milwaukee MW802 PRO Combo Meter lets you easily and accurately test pH, conductivity and total dissolved solids (TDS) using a single meter and integrated probe. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSimple, portable and rugged. No more juggling multiple electrodes and wires. Automatic temperature compensaton included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MW802 is the ultimate solution for pH and nutrient management.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDesign Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe design of the MW802 is focused on simple operation and ruggedness. With a single probe, big screen, easy calibration, the MW802 is exceptionally simple to operate. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA tough meter build and a rugged but replaceable probe means that you can expect years of use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Milwaukee PRO Combo meter offers:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"atf-features\"\u003e\n\u003cli\u003epH, conductivity \/ nutrient EC, TDS (ppm) \u003cspan\u003ewith automatic temperature compensation\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eA replaceable, integrated pH, EC, and TDS (ppm) probe with a single 3 foot cable for easy use (\u003cstrong\u003eSE600\u003c\/strong\u003e probe included).\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA fiber junction on the pH sensor to reduce contamination when measuring fertilizer solutions. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eA light weight and portable form factor at just 5.8 ounces with battery and just over 3 inches wide.\u003c\/li\u003e\n\u003cli\u003eA large easy to read display.\u003c\/li\u003e\n\u003cli\u003eFactory calibration with a simple, single point manual calibration for both pH and EC.\u003c\/li\u003e\n\u003cli\u003eA reputation for a rugged build and long life\u003c\/li\u003e\n\u003cli\u003eSpecialized design for hydroponic, aquaponic, and greenhouse growers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use \u003c\/h2\u003e\n\u003cp\u003eThe MW802 PRO Combo Meter includes both a pH and EC sensor in the SE600 integrated probe.  All pH sensors have a limited life and response time gets longer with age.  EC sensors are more robust but can still be affected by residue build up. Both need maintenance. Properly maintaining your probe will give you fast, accurate results for longer.  So, be sure to order the Milwaukee pH Maintenance Kit code \u003cstrong\u003ePH-Main\u003c\/strong\u003e at checkout time!  This will be needed to help clean and condition the pH\/EC electrode before use!\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015.  Only use tap water short-term if \u003cstrong\u003eMA9015\u003c\/strong\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips.\u003cbr\u003e \u003cbr\u003e1. Always store with the cap full of Storage Solution \u003cstrong\u003eMA9015 for BEST RESULTS\u003c\/strong\u003e. \u003cbr\u003e2. Clean your probe regularly by soaking in cleaning solution \u003cstrong\u003eMA9016 for about 20 minutes\u003c\/strong\u003e. \u003cbr\u003e3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the pH and EC sensor.\u003cbr\u003e4. Gently stir the probe in the sample for a faster result.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTo ensure the meter's stated accuracy, be sure to order the Combo-Start Kit our BEST Value here: \u003cstrong\u003eCOMBO-START\u003c\/strong\u003e Kit.  This has the MA9007 (230 mL bottle of 7.01 calibration Solution), MA9061 (230 mL bottle of 1,413 uS calibration Solution), MA9015 (230 mL bottle of Storage Solution), MA9016 (230 mL bottle of Cleaning Solution) all in one kit.  For the TDS you will need \u003cstrong\u003eM10442B.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThank you for considering Milwaukee to help you take your results to the next level.\u003c\/p\u003e\n\n                \u003c!-- snippet location product_description --\u003e\n\n            \u003c\/div\u003e\n              \u003c\/div\u003e\n            \u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549130297642,"sku":"BTS-MW802","price":296.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW802__17792.1608140234.jpg?v=1756585872"},{"product_id":"milwaukee-ph600aq-digital-ph-pen","title":"Milwaukee pH600AQ Digital pH Pen","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px;\n                        font-family: 'Open Sans', sans-serif; font-weight: 300;\n                        color: #333; background: #fff; font-size: 0.95rem;\n                        box-sizing: border-box;\"\u003e\n              \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n                \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n                \u003ch1\u003e\u003cstrong\u003eDigital. Simple. Compact.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eOver 200,000 people\u003c\/strong\u003e have relied on the Milwaukee pH600AQ compact pH pen tester to move from difficult to use and interpret pH strips to digital testing.\u003c\/p\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee pH600AQ compact pen tester is specifically designed to help maintain aquariums and aquaculture. Keeping the proper pH improves results for aquarium fish and quality in a range of fish raised in aqulculture.\u003c\/p\u003e\n\u003cp\u003eUse digital accuracy to keep pH in your target range for better results.\u003c\/p\u003e\n\u003ch2\u003eWhat people are saying\u003c\/h2\u003e\n\u003cp\u003e\"Accurate results and calibrated right out of the box.\"\u003c\/p\u003e\n\u003cp\u003e\"Must have for any aquarium owner.\"\u003c\/p\u003e\n\u003cp\u003e\"Good value. Easy to use. Consistent.\"\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast, accurate results with digital LCD readout.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize.\u003c\/li\u003e\n\u003cli\u003eSimple one-point calibration with an easy-to-use trimmer located on the back of the pH tester to protect from accidental splashes.\u003c\/li\u003e\n\u003cli\u003eCap to protect the pH sensor and keep it wet when stored upright.\u003c\/li\u003e\n\u003cli\u003eLow power demand for extended battery life (batteries included).\u003c\/li\u003e\n\u003cli\u003eApproximate 700 hours of batter use (3 x 1.5 Volt batteries included).\u003c\/li\u003e\n\u003cli\u003eFor Calibration USE \u003cstrong\u003eMA9007\u003c\/strong\u003e 230 mL bottle of 7.01 pH calibration solution or \u003cstrong\u003eM10007B\u003c\/strong\u003e box of (25 sachets 20 mL each) calibration solution.  These solutions are required to operate the meter properly along with the below links for cleaning and maintaining instructions \u003cstrong\u003ePH-MAIN\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUse and Care\u003c\/h2\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003cstrong\u003ePH-Main\u003c\/strong\u003e at checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015. Only use tap water short-term if \u003cstrong\u003eMA9015\u003c\/strong\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips. \u003c\/p\u003e\n\u003cp\u003e1. Always store upright with the cap full of \u003cstrong\u003eMA9015 Storage solution\u003c\/strong\u003e for \u003cstrong\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e2. Clean your pH Pen Tester regularly by soaking in cleaning solution \u003cstrong\u003eMA9016\u003c\/strong\u003e. \u003cstrong\u003eCleaning Solution for about 20 minutes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/p\u003e\n\u003cp\u003e4. Gently stir the Pen in the sample for a faster result.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThank you for considering Milwaukee to help you take your results to the next level.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\n                \u003cdiv\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/BLWUhpop3P4\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c!-- snippet location product_description --\u003e\n\n            \u003c\/div\u003e\n              \u003c\/div\u003e\n            \u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549130330410,"sku":"BTS-pH600AQ","price":40.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/pH600-front-cap__99700.1608146986.jpg?v=1756585872"},{"product_id":"milwaukee-mw10-digital-free-chlorine-tester","title":"Milwaukee MW10 Digital Free Chlorine Tester","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; \\n                font-family: 'Open Sans', sans-serif; font-weight: 300; \\n                color: #333; background: #fff; font-size: 0.95rem; \\n                box-sizing: border-box;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee MW10 Free Chlorine Photometer lets you go digital with your testing. No more hit and miss testing with strips. Great for agriculture, aquariums, aquaculture \u0026amp; coral, labs, water treatment, classroom and more. This meter is also ideal for educators that want their students to learn the basics of water quality analysis to apply in the real world.\u003c\/p\u003e\n\u003cp\u003eSimply add the reagent and get a digital reading accurate to ±0.03 ppm within minutes.\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast, easy-to-read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli\u003eRange from\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e0.00 to 2.50 ppm.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eAccurate to ±0.03 ppm or ±3% of reading @ 25 °C.\u003c\/li\u003e\n\u003cli\u003eSmall and ergonomic design.\u003c\/li\u003e\n\u003cli\u003eNo calibration needed.\u003c\/li\u003e\n\u003cli\u003eReliable and repeatable measurements with no visual assessment.\u003c\/li\u003e\n\u003cli\u003eRuns on 1 x AAA battery with auto shut off to extend battery life.\u003c\/li\u003e\n\u003cli\u003eAdaptation of the USEPA Method 330.5. The reaction between Free Clorine and DPD causes a slight pink tint in the sample.\u003c\/li\u003e\n\u003cli\u003eReplacement Reagents: \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-mi526-25-powder-reagents-for-free-chlorine-photometer?_pos=1\u0026amp;_psq=Mi526-25\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eMi526-25\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eReplacement cuvettes 2 each: MI0011\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThank you for considering Milwaukee to help you take your results to the next level.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549130625322,"sku":"BTS-MW10","price":107.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW10-front-_2__06610.1609436327.jpg?v=1756585878"},{"product_id":"milwaukee-mw14-digital-iron-tester","title":"Milwaukee MW14 Digital Iron Tester","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n    \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n        \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n            \u003ch2\u003eDescription\u003c\/h2\u003e\n            \u003cp\u003eThe Milwaukee MW14 Digital Iron Tester is a state-of-the-art device designed for measuring iron levels with precision. By eliminating the guesswork of traditional testing strips, this advanced photometer ensures reliable results every time you use it. Whether you're involved in aquaculture, maintaining an aquarium, or conducting water quality analysis in a lab or classroom, this instrument is a perfect companion.\u003c\/p\u003e\n            \u003cp\u003eYou can achieve accurate digital readings with extraordinary ease. After adding the reagent, the Milwaukee MW14 offers results that are precise to ±0.04 ppm or ±2% of reading at 25 °C in just minutes, making your testing process not only efficient but also effective.\u003c\/p\u003e\n            \u003ch2\u003eDesign Features\u003c\/h2\u003e\n            \u003cul\u003e\n                \u003cli\u003eLarge digital LCD display for fast and easy reading.\u003c\/li\u003e\n                \u003cli\u003eMeasurement range: 0.0 to 5.00 ppm, suitable for diverse applications.\u003c\/li\u003e\n                \u003cli\u003eNo need for calibration, simplifying usage for everyone.\u003c\/li\u003e\n                \u003cli\u003eSmall, ergonomic design for easy handling and portability.\u003c\/li\u003e\n                \u003cli\u003eAuto shut-off feature to extend battery life; powered by a single AAA battery.\u003c\/li\u003e\n                \u003cli\u003eUtilizes USEPA Method Phenatroline 315B, reacting with iron to produce a visible orange tint.\u003c\/li\u003e\n                \u003cli\u003eMeasures reactive (available) iron for precise analysis.\u003c\/li\u003e\n                \u003cli\u003eReplacement cuvettes available (MI0011) and reagents (Mi528-25) for uninterrupted testing.\u003c\/li\u003e\n            \u003c\/ul\u003e\n            \u003cp\u003eMilwaukee Instruments is committed to providing high-quality tools that empower you to achieve accurate results in water quality testing. With the MW14 Digital Iron Tester, you can trust that you are equipped with a reliable meter designed for both personal and professional use.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549143273770,"sku":"BTS-MW14","price":107.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW14-front__66640.1602003250.jpg?v=1756586094"},{"product_id":"milwaukee-mw13-digital-iodine-tester","title":"Milwaukee MW13 Digital Iodine Tester","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n  \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n    \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n      \u003cp\u003eThe Milwaukee MW13 Digital Iodine Tester revolutionizes water quality testing, providing accurate and reliable results with remarkable ease. Forget the uncertainties of traditional testing methods such as strips; this advanced photometer is designed for precision, making it ideal for aquarists, laboratories, water conditioning professionals, and educational environments. \n      \u003c\/p\u003e\n      \u003cp\u003eWith the Milwaukee MW13, measuring iodine levels has never been simpler. Just add the necessary reagent, and within minutes, you'll receive a precise digital reading that is accurate to ±0.1 ppm or ±5% at 25 °C. This high-tech instrument is perfect for teaching students essential water quality analysis techniques and encouraging practical applications in real-world scenarios. \n      \u003c\/p\u003e\n      \u003cp\u003eThe MW13 combines user-friendly features with a sleek, ergonomic design. Its digital LCD display ensures fast and easy-to-read measurements, enhancing usability in various settings. Whether you are a professional or a student, you will appreciate the straightforward nature of this iodine tester, which requires no calibration, thus allowing for instantaneous use.\n      \u003c\/p\u003e\n      \u003cp\u003eKey features of the Milwaukee MW13 include:\n      \u003c\/p\u003e\n\u003cul\u003e\n        \u003cli\u003eMeasurement range from 0.0 to 12.5 ppm for comprehensive testing.\u003c\/li\u003e\n        \u003cli\u003eDependable and repeatable readings without the need for visual assessment.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \n      \u003cp\u003eThis iodine tester operates on just one AAA battery and features an auto shut-off function that extends battery life, making it economical and efficient. Replacement cuvettes (MI0011) and reagents (Mi527-25) are readily available, ensuring your device remains in optimal working condition.\n      \u003c\/p\u003e\n      \u003cp\u003eEmbrace the future of water quality testing with the Milwaukee MW13 Digital Iodine Tester. Experience unmatched accuracy, convenience, and reliability that surpasses traditional methods. Thank you for considering Milwaukee instruments as your partner in achieving superior results.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549143339306,"sku":"BTS-MW13","price":107.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW13-front__31909.1602003152.jpg?v=1756586097"},{"product_id":"milwaukee-mw12-digital-phosphate-tester","title":"Milwaukee MW12 Digital Phosphate Tester","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n  \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n    \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n      \u003ch2\u003eDescription\u003c\/h2\u003e\n      \u003cp\u003eThe Milwaukee MW12 Digital Phosphate Tester transforms your water testing experience with precision and ease. This advanced phosphate photometer eliminates the inaccuracies of traditional testing strips, providing fast and reliable results. Perfect for a variety of applications including aquariums, aquaculture, laboratory settings, and educational environments, this tester is an essential tool for anyone serious about monitoring water quality.\u003c\/p\u003e\n      \u003cp\u003eThis device is particularly valuable in educational settings, allowing students to engage with real-world water quality analysis. Simply add the included reagent, and the MW12 delivers an accurate digital reading in just minutes, with a precision of ±0.04 ppm.\u003c\/p\u003e\n      \u003ch2\u003eKey Features\u003c\/h2\u003e\n      \u003cul\u003e\n        \u003cli\u003eFast, easy-to-read results with a large digital LCD readout, ensuring you never misinterpret data.\u003c\/li\u003e\n        \u003cli\u003eWide measurement range from 0.00 to 2.50 ppm, making it suitable for various water testing scenarios.\u003c\/li\u003e\n        \u003cli\u003eNo calibration is needed, allowing for immediate use right out of the box.\u003c\/li\u003e\n        \u003cli\u003eCompact and ergonomic design for user-friendly handling and portability.\u003c\/li\u003e\n        \u003cli\u003eEach measurement is reliable and repeatable, eliminating visual assessment errors.\u003c\/li\u003e\n        \u003cli\u003eOperates on just one AAA battery, featuring an auto shut off function to prolong battery life.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eAdapted from the Standard Methods for the Examination of Wastewater 20th edition, this digital phosphate tester offers robustness and reliability. Replacement cuvettes can be ordered as MI0011, and replacement reagents are available as MI512-25.\u003c\/p\u003e\n      \u003cp\u003eInvest in the Milwaukee MW12 Digital Phosphate Tester today and take your results to the next level.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549143372074,"sku":"BTS-MW12","price":107.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW12-front__94226.1602002870.jpg?v=1756586099"},{"product_id":"milwaukee-mw11-digital-total-chlorine-tester","title":"Milwaukee MW11 Digital Total Chlorine Tester","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cp\u003eThe Milwaukee MW11 Digital Total Chlorine Tester revolutionizes water testing by offering a state-of-the-art digital solution for accurate measurements. No longer will you rely on uncertain test strips; this photometer delivers reliable readings in a matter of minutes. Ideal for aquariums, aquaculture, laboratories, and educational environments, the MW11 is perfect for anyone interested in comprehensive water quality analysis.\u003c\/p\u003e\n\u003cp\u003eThis digital meter is not only easy to use but also provides exceptional precision. Just add the reagent, and you'll receive a digital reading accurate to ±0.03 ppm. The large LCD display ensures you can effortlessly read the results, making it a fantastic tool for both professionals and educational institutions aiming to teach students about water quality.\u003c\/p\u003e\n\u003cp\u003eKey features of the Milwaukee MW11 include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWide range for testing from 0.00 to 3.50 ppm.\u003c\/li\u003e\n\u003cli\u003eAccurate results at ±0.03 ppm or ±3% of reading at 25 °C.\u003c\/li\u003e\n\u003cli\u003eCompact and ergonomic design for easy handling.\u003c\/li\u003e\n\u003cli\u003eNo calibration required, allowing for hassle-free operation.\u003c\/li\u003e\n\u003cli\u003eReliable measurements with no visual assessment necessary.\u003c\/li\u003e\n\u003cli\u003ePowered by one AAA battery; the auto shut-off feature extends battery life.\u003c\/li\u003e\n\u003cli\u003eBased on the USEPA Method 330.5, where Free Chlorine reacts with DPD to create a slight pink tint in the sample.\u003c\/li\u003e\n\u003cli\u003eReplacement cuvettes (2 each): \u003cstrong\u003eMI0011\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eReplacement reagents: \u003cstrong\u003eMi524-25\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're monitoring the health of aquatic life or conducting essential lab analyses, the Milwaukee MW11 Total Chlorine Tester is your go-to solution for accurate and efficient water testing. Embrace the convenience and reliability of digital technology in your water quality assessments today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549143404842,"sku":"BTS-MW11","price":107.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW11-front-__81927.1609436621.jpg?v=1756586099"},{"product_id":"milwaukee-mw804-max-waterproof-4-in-1-ph-ec-tds-temp-tester-with-replaceable-probe","title":"Milwaukee MW804 MAX Waterproof 4-in-1 pH \/ EC \/ TDS\/Temp Tester with Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px;\n                        font-family: 'Open Sans', sans-serif; font-weight: 300;\n                        color: #333; background: #fff; font-size: 0.95rem;\n                        box-sizing: border-box;\"\u003e\n              \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n                \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n                \u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee MW804 MAX Waterproof 4-in-1 pH\/EC\/TDS\/Temp Tester is designed as an all-in-one solution for growers.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee MW804 MAX Waterproof 4-in-1 meter offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MW804 MAX 4-in-1 tester is accurate to \u003cspan\u003e±\u003c\/span\u003e0.05 pH, \u003cspan\u003eEC\/TDS to 2% Full Scale and ±0.5°C \/ ±1°F for temperature\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003eWith automatic calibration and 5 memorized calibration points, the tester can be quickly and easily be calibrated to a higher accuracy compared with manual calibration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLong life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe tester comes with a replaceable pH probe with a double junction probe design for longer life.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFast response\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAn exposed temperature probe is located close to the pH probe for fast temperature compensation\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo more worries about dropping your tester while measuring. The \u003cstrong\u003eMW804 MAX is fully waterproof to IP65.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLight weight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt just 3.5 ounces, the MW804 MAX is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEase-of-use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA large dual level LCD screen makes reading results easy while a stability indicator and hold function that freezes the display takes the guess work out.\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital dual LCD readout.\u003c\/li\u003e\n\u003cli\u003eExtreme accuracy to \u003cspan\u003e±\u003c\/span\u003e0.05 pH, EC \/ TDS 2% Full Scale and Temperature \u003cspan\u003e±\u003c\/span\u003e0.5 °C \/ \u003cspan\u003e±\u003c\/span\u003e1 °F.\u003c\/li\u003e\n\u003cli\u003eRange 0.00 – 14.00 pH, EC 20.00 mS\/cm, TDS 0 - 10.00 ppt, Temperature: 0.0 to 50.0 °C \/ 32.0 to 122.0 °F.\u003c\/li\u003e\n\u003cli\u003eLightweight and portable at just 3.5 ounces.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli\u003eSimple push button, automatic one or two-point calibration with 5 saved calibration points.\u003c\/li\u003e\n\u003cli\u003eAcid Based calibrations, cleaning \u0026amp; storage solutions use \u003cstrong\u003ePH-START\u003c\/strong\u003e  add \u003cstrong\u003eMA9010\u003c\/strong\u003e (10.01 cal. buffer) or \u003cstrong\u003eM10010B\u003c\/strong\u003e if Basic cal. required.\u003c\/li\u003e\n\u003cli\u003eFor EC calibration USE \u003cstrong\u003eMA9060\u003c\/strong\u003e 12,880 µS\/cm or \u003cstrong\u003eM10030B\u003c\/strong\u003e µS\/cm\u003c\/li\u003e\n\u003cli\u003eGel-filled, double junction pH electrode for low maintenance and high performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMi60P\u003c\/strong\u003e Replaceable pH electrode.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWaterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAuto shut off and low power demand for approx. 100 hour of continuous use (batteries included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003cp\u003eThe MW804 MAX Tester includes both a pH and EC electrode. Both need maintenance.\u003c\/p\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003cstrong\u003ePH-Main\u003c\/strong\u003e at checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp\u003eEC sensors are more robust but can still be affected by residue build up.\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015. Only use tap water short-term if \u003cstrong\u003eMA9015 \u003c\/strong\u003eis not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips. \u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAlways store upright with the cap full of \u003cstrong\u003eMA9015 Storage solution\u003c\/strong\u003e for \u003cstrong\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eClean your Tester regularly by soaking in cleaning solution \u003cstrong\u003eMA9016\u003c\/strong\u003e. \u003cstrong\u003eCleaning Solution for about 20 minutes\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCalibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli\u003eGently stir the Tester in the sample for a faster result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThank you for considering Milwaukee to help you take your results to the next level.\u003c\/p\u003e\n\n                \u003c!-- snippet location product_description --\u003e\n\n            \u003c\/div\u003e\n              \u003c\/div\u003e\n            \u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146157354,"sku":"BTS-MW804","price":156.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW804Front_WNUMBERS__38188.1612471384.jpg?v=1756586150"},{"product_id":"milwaukee-mw803-max-waterproof-low-range-4-in-1-ph-ec-tds-temp-tester-with-replaceable-probe","title":"Milwaukee MW803 MAX Waterproof Low Range 4-in-1 pH \/ EC \/ TDS\/Temp Tester with Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px;\n                        font-family: 'Open Sans', sans-serif; font-weight: 300;\n                        color: #333; background: #fff; font-size: 0.95rem;\n                        box-sizing: border-box;\"\u003e\n              \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n                \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n                \u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee MW803 MAX Waterproof Low Range 4-in-1 pH\/EC\/TDS\/Temp Tester is designed as an all-in-one solution for growers.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee MW803 MAX Waterproof 4-in-1 Tester offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MW803 MAX 4-in-1 tester is accurate to \u003cspan\u003e±\u003c\/span\u003e0.05 pH, \u003cspan\u003eEC\/TDS to 2% Full Scale and ±0.5°C \/ ±1°F for temperature\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003eWith automatic calibration and 5 memorized calibration points, the tester can be quickly and easily be calibrated to a higher accuracy compared with manual calibration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLong life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe tester comes with a replaceable pH probe with a double junction probe design for longer life.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFast response\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAn exposed temperature probe is located close to the pH probe for fast temperature compensation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo more worries about dropping your tester while measuring. \u003cstrong\u003eThe MW803 is fully waterproof to IP65.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLight weight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt just 3.5 ounces, the MW803 MAX is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEase-of-use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA large dual level LCD screen makes reading results easy while a stability indicator and hold function that freezes the display takes the guess work out.\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital dual LCD readout.\u003c\/li\u003e\n\u003cli\u003eExtreme accuracy to \u003cspan\u003e±\u003c\/span\u003e0.05 pH, EC \/ TDS 2% Full Scale and Temperature \u003cspan\u003e±\u003c\/span\u003e0.5 °C \/ \u003cspan\u003e±\u003c\/span\u003e1 °F.\u003c\/li\u003e\n\u003cli\u003eRange 0.00 – 14.00 pH | EC 0 to 3999 µS\/cm | TDS 0 - 2000 ppm | Temperature: 0.0 to 50.0 °C \/ 32.0 to 122.0 °F.\u003c\/li\u003e\n\u003cli\u003eLightweight and portable at just 3.5 ounces.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli\u003eSimple push button, automatic 1 or 2 point pH calibration with 5 saved calibration points and simple 1 point EC calibration.\u003c\/li\u003e\n\u003cli\u003eAcid Based calibrations, cleaning \u0026amp; storage solutions use \u003cstrong\u003ePH-START\u003c\/strong\u003e  add \u003cstrong\u003eMA9010\u003c\/strong\u003e (10.01 cal. buffer) or \u003cstrong\u003eM10010B\u003c\/strong\u003e if Basic cal. required.\u003c\/li\u003e\n\u003cli\u003eFor EC calibration USE \u003cstrong\u003eMA9061\u003c\/strong\u003e 1413 µS\/cm or \u003cstrong\u003eM10031B\u003c\/strong\u003e µS\/cm.\u003c\/li\u003e\n\u003cli\u003eGel-filled, double junction pH electrode for low maintenance and high performance with exposed temp. sensor for fast readings.\u003c\/li\u003e\n\u003cli\u003eAuto shut off after 8 minutes of non-use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMi60P\u003c\/strong\u003e Replaceable pH electrode.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBattery life approx. 100 hour of continuous use (batteries included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003cp\u003eThe MW803 PRO Tester includes both a pH and EC electrode. Both need maintenance.\u003c\/p\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003cstrong\u003ePH-Main\u003c\/strong\u003e at checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp\u003eEC sensors are more robust but can still be affected by residue build up.\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015. Only use tap water short-term if \u003cstrong\u003eMA9015\u003c\/strong\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips. \u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAlways store upright with the cap full of \u003cstrong\u003eMA9015 Storage solution\u003c\/strong\u003e for \u003cstrong\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eClean your Tester regularly by soaking in cleaning solution \u003cstrong\u003eMA9016. \u003c\/strong\u003e\u003cstrong\u003eCleaning Solution for about 20 minutes\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCalibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli\u003eGently stir the Tester in the sample for a faster result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThank you for considering Milwaukee to help you take your results to the next level.\u003c\/p\u003e\n\n                \u003c!-- snippet location product_description --\u003e\n\n            \u003c\/div\u003e\n              \u003c\/div\u003e\n            \u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146190122,"sku":"BTS-MW803","price":156.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/MW803_Front_Numbers__94190.1612471330.jpg?v=1756586151"},{"product_id":"milwaukee-ec60-pro-waterproof-3-in-1-ec-tds-temp-tester-with-replaceable-probe","title":"Milwaukee EC60 PRO Waterproof 3-in-1  EC \/ TDS\/Temp Tester with Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px;\n                        font-family: 'Open Sans', sans-serif; font-weight: 300;\n                        color: #333; background: #fff; font-size: 0.95rem;\n                        box-sizing: border-box;\"\u003e\n              \u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n                \u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\n                \u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eDesigned for hydroponic growers, the Milwaukee EC60 PRO Waterproof EC\/TDS\/Temperature Tester helps to make sure that your plants have the ideal amount of nutrient available.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eKeeping EC in your target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures conductivity and TDS with Automatic Temp. Compensation (ATC).\u003c\/li\u003e\n\u003cli\u003eEC59 features the ideal range for aquaculture and other applications.\u003c\/li\u003e\n\u003cli\u003eEC60 features the ideal range for hydroponic and other growers.\u003c\/li\u003e\n\u003cli\u003eUnits easily convertible to other ranges.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse \u003cstrong\u003eMA9060\u003c\/strong\u003e or \u003cstrong\u003eM10030B\u003c\/strong\u003e 12,880 µS\/cm.\u003c\/li\u003e\n\u003cli\u003eReplaceable electrode \u003cstrong\u003eMi59P\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFully waterproof to \u003cstrong\u003eIP65\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eApprox. 100 hours of continuous use (batteries included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eEC electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap water after every use.\u003c\/p\u003e\n\u003ch3\u003eConverting EC to TDS\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee EC60 PRO Conductivity Tester, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp\u003eIn Hydroponics, EC is often converted to TDS in parts per million (ppm). Different scales include the 500 scale, 650 scale and the 700 scale. However, true PPM can only be determined through chemical analysis.\u003c\/p\u003e\n\u003cp\u003eYour mS\/cm reading can be approximately converted to TDS (ppm) as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e2.00 mS\/cm = 2000 µS\/cm = 1000 ppm on .50 factor scale\u003c\/p\u003e\n\u003cp\u003e2.00 mS\/cm = 2000 µS\/cm = 1400 ppm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\n                \u003c!-- snippet location product_description --\u003e\n\n            \u003c\/div\u003e\n              \u003c\/div\u003e\n            \u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146255658,"sku":"BTS-EC60","price":78.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/EC60_PRO_LENS__66975.1609977658.jpg?v=1756586155"},{"product_id":"milwaukee-ec59-pro-waterproof-3-in-1-conductivity-tds-temperature-tester-with-replaceable-probe","title":"Milwaukee EC59 PRO Waterproof 3-in-1 Conductivity \/ TDS \u0026 Temperature Tester with Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee EC59 PRO Waterproof EC\/TDS\/Temperature Tester is designed for aquaculture, food, wine, laboratory, water treatment, and many other applications.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eKeeping EC in your target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures conductivity and TDS with Automatic Temp. Compensation (ATC).\u003c\/li\u003e\n\u003cli\u003eEC59 features the ideal range for aquaculture and other applications.\u003c\/li\u003e\n\u003cli\u003eUnits easily convertible to other ranges.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9061-1413-us-cm-conductivity-solution\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9061\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10031b-1413-us-cm-conductivity-calibration-solution-sachets-25\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eM10031B\u003c\/strong\u003e\u003c\/a\u003e 1413 µS\/cm.\u003c\/li\u003e\n\u003cli\u003eReplaceable electrode \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-mi59p-replacement-electrode-for-ec59-and-ec60-3-in-1-conductivity-tds-temperature-testers\"\u003e\u003cstrong\u003eMi59P\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eFully waterproof to \u003cstrong\u003eIP65.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApprox. 100 hours of continuous use (batteries included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eEC electrodes can develop nutrient build up over time. To minimize build up, always rinse the probe in fresh tap water after every use.\u003c\/p\u003e\n\u003ch3\u003eConverting EC to TDS\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee PRO Conductivity Tester, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp\u003eEC\/TDS can converted. Different scales include the 500 scale, 650 scale and the 700 scale.\u003c\/p\u003e\n\u003cp\u003eYour µS\/cm reading can be approximately converted to other scales as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e2.00 mS\/cm = 2000 µS\/cm = 1000 ppm on .50 factor scale\u003c\/p\u003e\n\u003cp\u003e2.00 mS\/cm = 2000 µS\/cm = 1400 ppm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146517802,"sku":"BTS-EC59","price":78.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/EC59_FRONT_Numbers__97891.1609977703.jpg?v=1756586156"},{"product_id":"milwaukee-ph58-max-waterproof-3-in-1-ph-orp-temp-tester-with-replaceable-probe","title":"Milwaukee pH58 MAX Waterproof 3-in-1 pH\/ORP\/Temp Tester with Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee pH58 MAX Waterproof 3-in-1 pH\/ORP\/Temp. Tester is one of our most accurate cost effective, well rounded, rugged and reliable testers in the market featuring dual level LCD readouts, easily replaceable probe and extended pH ranges to meet almost any application. It's simple 1 or 2 point automatic calibration is simple-to-use and offers TWO sets of memorized buffers to select. Ideal for use in beer, food, wine, education, water treatment, pools and many other applications.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee pH58 Waterproof 3-in-1 tester offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe pH58 MAX Waterproof 3-in-1 tester is accurate to \u003cspan\u003e±\u003c\/span\u003e0.05 pH | +\/- 1000 mV | +\/-0.5°C (+\/-1°F) and is easy to read.\u003c\/p\u003e\n\u003cp\u003eWith easy 2 point automatic calibration, this pH tester is quickly calibrated to an accuracy of much more expensive meters. Simple design and rugged, it brings great value for any application. Why guess at your readings using litmus paper when you can have guaranteed accurate, digital LCD results.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLong life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe tester comes with a replaceable pH probe with a double junction probe designed for longer life.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFast response\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe probe is double junction allowing quick, accurate pH readings and respose times.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo more worries about dropping your tester while measuring. The pH58 MAX is waterproof to IP65.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLight weight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt just 3.5 ounces, the pH58 MAX is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEase-of-use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA large Dual Level LCD screen with easy-to-read graphic symbols, makes it easy while calibrating or reading your measurement. This takes the takes the guess work out of litmus paper.\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli\u003eExtreme pH accuracy to \u003cspan class=\"single-product-meta-item-value\"\u003e±\u003c\/span\u003e0.05 pH and ±2 mV with an extended pH range (-2.0 pH to 16.0 pH).\u003c\/li\u003e\n\u003cli\u003eExtended Resolution to 0.01 pH.\u003c\/li\u003e\n\u003cli\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli\u003eSimple Automatic one or two-point calibration.\u003c\/li\u003e\n\u003cli\u003eAcid Based calibrations, cleaning \u0026amp; storage solutions use \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-start-starter-solution-kit-for-ph-meters-and-testers\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePH-START\u003c\/strong\u003e\u003c\/a\u003e add \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9010-ph-10-01-calibration-solution\"\u003e\u003cstrong\u003eMA9010\u003c\/strong\u003e\u003c\/a\u003e (10.01 cal. buffer) or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10010b-ph-10-01-calibration-solution-sachets-25\"\u003e\u003cstrong\u003eM10010B\u003c\/strong\u003e\u003c\/a\u003e if Basic cal. required.\u003c\/li\u003e\n\u003cli\u003e2 Sets of pre-memorized buffers.\u003c\/li\u003e\n\u003cli\u003eGel-filled, double junction pH electrode for low maintenance and high performance.\u003c\/li\u003e\n\u003cli\u003eOver 250 hours of battery life (batteries included).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eReplaceable pH electrode \u003ca href=\"\u0026lt;div%20style=\u0026quot;max-width:%201400px;%20margin:%200%20auto;%20padding:%2040px%2020px;%20font-family:%20'Open%20Sans',%20sans-serif;%20font-weight:%20300;%20color:%20#333;%20background:%20#fff;%20font-size:%200.95rem;%20box-sizing:%20border-box;\u0026quot;\u0026gt;%20\u0026lt;div%20style=\u0026quot;display:%20flex;%20flex-direction:%20column;%20gap:%2020px;\u0026quot;\u0026gt;%20\u0026lt;div%20class=\u0026quot;productView-desc-content\u0026quot;%20itemprop=\u0026quot;description\u0026quot;\u0026gt;%20\u0026lt;h2\u0026gt;Description\u0026lt;\/h2\u0026gt;%20\u0026lt;p\u0026gt;The%20Milwaukee%20pH58%20MAX%20Waterproof%203-in-1%20pH\/ORP\/Temp.%20Tester%20is%20one%20of%20our%20most%20accurate%20cost%20effective,%20well%20rounded,%20rugged%20and%20reliable%20testers%20in%20the%20market%20featuring%20dual%20level%20LCD%20readouts,%20easily%20replaceable%20probe%20and%20extended%20pH%20ranges%20to%20meet%20almost%20any%20application.%20It's%20simple%201%20or%202%20point%20automatic%20calibration%20is%20simple-to-use%20and%20offers%20TWO%20sets%20of%20memorized%20buffers%20to%20select.%20Ideal%20for%20use%20in%20beer,%20food,%20wine,%20education,%20water%20treatment,%20pools%20and%20many%20other%20applications.\u0026lt;\/p\u0026gt;%20\u0026lt;p\u0026gt;The%20Milwaukee%20pH58%20Waterproof%203-in-1%20tester%20offers:\u0026lt;\/p\u0026gt;%20\u0026lt;h3\u0026gt;\u0026lt;strong\u0026gt;Accuracy\u0026lt;\/strong\u0026gt;\u0026lt;\/h3\u0026gt;%20\u0026lt;p\u0026gt;The%20pH58%20MAX%20Waterproof%203-in-1%20tester%20is%20accurate%20to%20\u0026lt;span\u0026gt;%C2%B1\u0026lt;\/span\u0026gt;0.05%20pH%20|%20+\/-%201000%20mV%20|%20+\/-0.5%C2%B0C%20(+\/-1%C2%B0F)%20and%20is%20easy%20to%20read.\u0026lt;\/p\u0026gt;%20\u0026lt;p\u0026gt;With%20easy%202%20point%20automatic%20calibration,%20this%20pH%20tester%20is%20quickly%20calibrated%20to%20an%20accuracy%20of%20much%20more%20expensive%20meters.%20Simple%20design%20and%20rugged,%20it%20brings%20great%20value%20for%20any%20application.%20Why%20guess%20at%20your%20readings%20using%20litmus%20paper%20when%20you%20can%20have%20guaranteed%20accurate,%20digital%20LCD%20results.\u0026lt;\/p\u0026gt;%20\u0026lt;h3\u0026gt;\u0026lt;strong\u0026gt;Long%20life\u0026lt;\/strong\u0026gt;\u0026lt;\/h3\u0026gt;%20\u0026lt;p\u0026gt;The%20tester%20comes%20with%20a%20replaceable%20pH%20probe%20with%20a%20double%20junction%20probe%20designed%20for%20longer%20life.\u0026lt;\/p\u0026gt;%20\u0026lt;h3\u0026gt;\u0026lt;strong\u0026gt;Fast%20response\u0026lt;\/strong\u0026gt;\u0026lt;\/h3\u0026gt;%20\u0026lt;p\u0026gt;The%20probe%20is%20double%20junction%20allowing%20quick,%20accurate%20pH%20readings%20and%20respose%20times.\u0026lt;\/p\u0026gt;%20\u0026lt;h3\u0026gt;\u0026lt;strong\u0026gt;Waterproof%20construction\u0026lt;\/strong\u0026gt;\u0026lt;\/h3\u0026gt;%20\u0026lt;p\u0026gt;No%20more%20worries%20about%20dropping%20your%20tester%20while%20measuring.%20The%20pH58%20MAX%20is%20waterproof%20to%20IP65.\u0026lt;\/p\u0026gt;%20\u0026lt;h3\u0026gt;\u0026lt;strong\u0026gt;Light%20weight\u0026lt;\/strong\u0026gt;\u0026lt;\/h3\u0026gt;%20\u0026lt;p\u0026gt;At%20just%203.5%20ounces,%20the%20pH58%20MAX%20is%20easy%20to%20handle%20at%20up%20to%20half%20the%20weight%20of%20other%20testers.\u0026lt;\/p\u0026gt;%20\u0026lt;h3\u0026gt;\u0026lt;strong\u0026gt;Ease-of-use\u0026lt;\/strong\u0026gt;\u0026lt;\/h3\u0026gt;%20\u0026lt;p\u0026gt;A%20large%20Dual%20Level%20LCD%20screen%20with%20easy-to-read%20graphic%20symbols,%20makes%20it%20easy%20while%20calibrating%20or%20reading%20your%20measurement.%20This%20takes%20the%20takes%20the%20guess%20work%20out%20of%20litmus%20paper.\u0026lt;\/p\u0026gt;%20\u0026lt;h2\u0026gt;Design%20features\u0026lt;\/h2\u0026gt;%20\u0026lt;ul\u0026gt;%20\u0026lt;li\u0026gt;Fast%20easy%20to%20read%20results%20with%20large%20digital%20LCD%20readout.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Extreme%20pH%20accuracy%20to%20\u0026lt;span%20class=\u0026quot;single-product-meta-item-value\u0026quot;\u0026gt;%C2%B1\u0026lt;\/span\u0026gt;0.05%20pH%20and%20%C2%B12%20mV%20with%20an%20extended%20pH%20range%20(-2.0%20pH%20to%2016.0%20pH).\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Extended%20Resolution%20to%200.01%20pH.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Lightweight%20and%20portable.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Easy%20measurement:%20just%20place%20the%20probe%20in%20the%20sample,%20gently%20stir,%20wait%20for%20the%20stability%20indication%20to%20show%20a%20stable%20reading%20and%20then%20freeze%20the%20reading.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Simple%20Automatic%20one%20or%20two-point%20calibration.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Acid%20Based%20calibrations,%20cleaning%20\u0026amp;amp;%20storage%20solutions%20use%20\u0026lt;strong\u0026gt;PH-START\u0026lt;\/strong\u0026gt;%20add%20\u0026lt;strong\u0026gt;MA9010\u0026lt;\/strong\u0026gt;%20(10.01%20cal.%20buffer)%20or%20\u0026lt;strong\u0026gt;M10010B\u0026lt;\/strong\u0026gt;%20if%20Basic%20cal.%20required.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;2%20Sets%20of%20pre-memorized%20buffers.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Gel-filled,%20double%20junction%20pH%20electrode%20for%20low%20maintenance%20and%20high%20performance.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Over%20250%20hours%20of%20battery%20life%20(batteries%20included).\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;\u0026lt;strong\u0026gt;Fully%20waterproof%20to%20IP65.\u0026lt;\/strong\u0026gt;\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Replaceable%20pH%20electrode%20\u0026lt;strong\u0026gt;Mi58P\u0026lt;\/strong\u0026gt;.\u0026lt;\/li\u0026gt;%20\u0026lt;\/ul\u0026gt;%20\u0026lt;h2\u0026gt;Care%20and%20Use\u0026lt;\/h2\u0026gt;%20\u0026lt;p\u0026gt;All%20pH\/ORP%20sensors%20have%20a%20limited%20life%20and%20response%20time%20gets%20longer%20with%20age.%20Properly%20maintaining%20your%20pH%20pen%20tester%20will%20give%20you%20fast,%20accurate%20results%20for%20longer.%20So,%20be%20sure%20to%20order%20the%20Milwaukee%20pH%20Maintenance%20Kit%20code%20\u0026lt;strong\u0026gt;PH-Main\u0026lt;\/strong\u0026gt;%20at%20checkout%20time!%20This%20will%20be%20needed%20to%20help%20clean%20and%20condition%20the%20pH%20electrode%20before%20use!\u0026lt;\/p\u0026gt;%20\u0026lt;p\u0026gt;Store%20the%20pH%20probe%20in%20storage%20solution%20MA9015.%20Only%20use%20tap%20water%20short-term%20if%20\u0026lt;strong\u0026gt;MA9015\u0026lt;\/strong\u0026gt;%20is%20not%20immediately%20available%20and%20\u0026lt;strong\u0026gt;NEVER%20store%20in%20distilled%20Water%20(DI)%20or%20Reverse%20Osmosis%20(RO)%20water.%20This%20will%20damage%20the%20sensitivity%20of%20the%20probe.\u0026lt;\/strong\u0026gt;\u0026lt;\/p\u0026gt;%20\u0026lt;p\u0026gt;Here%20are%20our%20top%20four%20tips.\u0026lt;\/p\u0026gt;%20\u0026lt;ol\u0026gt;%20\u0026lt;li\u0026gt;Always%20store%20upright%20with%20the%20cap%20full%20of%20\u0026lt;strong\u0026gt;MA9015%20Storage%20solution\u0026lt;\/strong\u0026gt;%20for%20\u0026lt;strong\u0026gt;BEST%20RESULTS\u0026lt;\/strong\u0026gt;.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Clean%20your%20Tester%20regularly%20by%20soaking%20in%20cleaning%20solution%20\u0026lt;strong\u0026gt;MA9016\u0026lt;\/strong\u0026gt;.%20\u0026lt;strong\u0026gt;Cleaning%20Solution%20for%20about%2020%20minutes\u0026lt;\/strong\u0026gt;.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Calibrate%20after%20cleaning%20and\/or%20storage%20before%20testing%20to%20adjust%20for%20changes%20in%20the%20pH%20sensor.\u0026lt;\/li\u0026gt;%20\u0026lt;li\u0026gt;Gently%20stir%20the%20Tester%20in%20the%20sample%20for%20a%20faster%20result.\u0026lt;\/li\u0026gt;%20\u0026lt;\/ol\u0026gt;%20\u0026lt;!--%20snippet%20location%20product_description%20--\u0026gt;\u0026lt;\/div\u0026gt;%20\u0026lt;\/div\u0026gt;%20\u0026lt;\/div\u0026gt;\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMi58P\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003cp\u003eAll pH\/ORP sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-main-maintenance-kit-for-ph-orp-meters-and-testers\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePH-Main\u003c\/strong\u003e\u003c\/a\u003e at checkout time! This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003eMA9015\u003c\/a\u003e. Only use tap water short-term if \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9015\u003c\/strong\u003e\u003c\/a\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAlways store upright with the cap full of \u003cstrong\u003e\u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003eMA9015\u003c\/a\u003e Storage solution\u003c\/strong\u003e for \u003cstrong\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eClean your Tester regularly by soaking in cleaning solution \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9016-cleaning-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9016\u003c\/strong\u003e\u003c\/a\u003e. \u003cstrong\u003eCleaning Solution for about 20 minutes\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCalibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli\u003eGently stir the Tester in the sample for a faster result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146550570,"sku":"BTS-pH58","price":253.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/PH58_FRONT_WNUMBERS__75797.1612471272.jpg?v=1756586156"},{"product_id":"milwaukee-ph56-pro-waterproof-2-in-1-ph-temp-tester-with-replaceable-probe","title":"Milwaukee PH56 PRO Waterproof 2-in-1 pH\/Temp  Tester with Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee pH56 PRO pH and Temperature Tester is our most accurate tester with the ability to easily replace the probe for years of use.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee pH56 PRO pH and temperature tester offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe PH56 PRO tester is accurate to \u003cspan\u003e±\u003c\/span\u003e0.05 pH and \u003cspan\u003e±\u003c\/span\u003e0.5 °C \/ \u003cspan\u003e±\u003c\/span\u003e1.0 °F for temperature.\u003c\/p\u003e\n\u003cp\u003eWith automatic calibration and 6 calibration points in memory, the tester can be quickly and easily be calibrated to a higher accuracy compared with manual calibration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLong life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe tester comes with a replaceable pH probe with a double junction probe design for longer life.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFast response\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAn exposed temperature probe is located close to the pH probe for fast temperature compensation\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo more worries about dropping your tester while measuring. The PH56 is fully waterproof to IP65.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLight weight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt just 3.5 ounces, the PH56 PRO is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEase-of-use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA large dual level LCD screen makes reading results easy while a stability indicator and hold function that freezes the display takes the guess work out.\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital dual LCD readout.\u003c\/li\u003e\n\u003cli\u003eExtreme pH accuracy to \u003cspan class=\"single-product-meta-item-value\"\u003e±\u003c\/span\u003e0.05 pH with an extended pH range (-2.00 pH to 16.00 pH).\u003c\/li\u003e\n\u003cli\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli\u003eSimple push button, automatic one or two-point calibration with 6 saved calibration points.\u003c\/li\u003e\n\u003cli\u003eAcid Based calibrations, cleaning \u0026amp; storage solutions use \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-start-starter-solution-kit-for-ph-meters-and-testers\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePH-START\u003c\/strong\u003e\u003c\/a\u003e add \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9010-ph-10-01-calibration-solution\"\u003e\u003cstrong\u003eMA9010\u003c\/strong\u003e\u003c\/a\u003e (10.01 cal. buffer) or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10010b-ph-10-01-calibration-solution-sachets-25\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eM10010B\u003c\/strong\u003e\u003c\/a\u003e if Basic cal. required.\u003c\/li\u003e\n\u003cli\u003eGel-filled, double junction pH electrode for low maintenance and high performance.\u003c\/li\u003e\n\u003cli\u003eAuto shut off and low power demand for a 300 hour extended battery life (batteries included).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-mi56p-replacement-electrode-for-ph55-and-ph56-2-in-1-ph-temperature-testers\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMi56P\u003c\/strong\u003e\u003c\/a\u003e replaceable electrode.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWaterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-main-maintenance-kit-for-ph-orp-meters-and-testers\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePH-Main\u003c\/strong\u003e\u003c\/a\u003e at checkout time! This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015. Only use tap water short-term if \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9015\u003c\/strong\u003e\u003c\/a\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAlways store upright with the cap full of \u003cstrong\u003e\u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003eMA9015\u003c\/a\u003e Storage solution\u003c\/strong\u003e for \u003cstrong\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eClean your Tester regularly by soaking in cleaning solution\u003cstrong\u003e \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9016-cleaning-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003eMA9016\u003c\/a\u003e\u003c\/strong\u003e.\u003cstrong\u003e Cleaning Solution for about 20 minutes\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCalibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli\u003eGently stir the Tester in the sample for a faster result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146583338,"sku":"BTS-PH56","price":150.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/PH56_FRONT_WNUMBERS__96721.1612470154.jpg?v=1756586157"},{"product_id":"milwaukee-ph55-pro-waterproof-ph-temperature-tester-with-atc-replaceable-probe","title":"Milwaukee PH55 PRO Waterproof pH \u0026 Temperature Tester with ATC \u0026 Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee Waterproof pH55 PRO pH\/Temp. Tester is one of our most accurate cost effective, well rounded, rugged and reliable testers in the market featuring dual level LCD readouts, easily replaceable probe and extended pH ranges to meet almost any application. It's simple 1 or 2 point automatic calibration is simple-to-use and offers TWO sets of memorized buffers to select. Ideal for use in aquariums, hydroponics, horticulture, education, pools, beer and many other applications.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee Waterproof pH55 pH\/temp. tester offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Waterproof pH55 PRO tester is accurate to \u003cspan\u003e±\u003c\/span\u003e0.1 pH \u0026amp; ±0.5°C (+\/-1°F) and is easy to read.\u003c\/p\u003e\n\u003cp\u003eWith easy 2 point automatic calibration, this pH tester is quickly calibrated to an accuracy of much more expensive meters. Simple design and rugged, it brings great value for any application. Why guess at your readings using litmus paper when you can have guaranteed accurate, digital LCD results.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLong life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe tester comes with a replaceable pH probe with a double junction probe designed for longer life.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFast response\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe probe is double junction allowing quick, accurate pH readings and respose times.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo more worries about dropping your tester while measuring. The pH55 PRO is waterproof to IP65.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLight weight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt just 3.5 ounces, the pH55 PRO is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEase-of-use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA large Dual Level LCD screen with easy-to-read graphic symbols, makes it easy while calibrating or reading your measurement. This takes the takes the guess work out of litmus paper.\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli\u003eExtreme pH accuracy to \u003cspan class=\"single-product-meta-item-value\"\u003e±\u003c\/span\u003e0.1 pH with an extended pH range (-2.0 pH to 16.0 pH).\u003c\/li\u003e\n\u003cli\u003eResolution to 0.1 pH.\u003c\/li\u003e\n\u003cli\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli\u003eIs fully compensated for temperature (ATC).\u003c\/li\u003e\n\u003cli\u003eSimple Automatic one or two-point calibration.\u003c\/li\u003e\n\u003cli\u003eAcid Based calibrations, cleaning \u0026amp; storage solutions use \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-start-starter-solution-kit-for-ph-meters-and-testers\"\u003e\u003cstrong\u003ePH-START\u003c\/strong\u003e\u003c\/a\u003e add \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9010-ph-10-01-calibration-solution\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9010\u003c\/strong\u003e\u003c\/a\u003e (10.01 cal. buffer) or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10010b-ph-10-01-calibration-solution-sachets-25\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eM10010B\u003c\/strong\u003e\u003c\/a\u003e if Basic cal. required.\u003c\/li\u003e\n\u003cli\u003e2 Sets of pre-memorized buffers. (pH 4.01, 7.01, 10.01 or 4.01, 6.86, 9.18)\u003c\/li\u003e\n\u003cli\u003eGel-filled, double junction pH electrode for low maintenance and high performance.\u003c\/li\u003e\n\u003cli\u003eOver 300 hours of battery life (batteries included).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eReplaceable pH electrode \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-mi56p-replacement-electrode-for-ph55-and-ph56-2-in-1-ph-temperature-testers\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMi56P\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-main-maintenance-kit-for-ph-orp-meters-and-testers\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ePH-Main\u003c\/strong\u003e\u003c\/a\u003e at checkout time! This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9015\u003c\/strong\u003e\u003c\/a\u003e. Only use tap water short-term if \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9015\u003c\/strong\u003e\u003c\/a\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAlways store upright with the cap full of \u003cstrong\u003e\u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003eMA9015\u003c\/a\u003e Storage solution\u003c\/strong\u003e for \u003cstrong\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eClean your Tester regularly by soaking in cleaning solution \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9016-cleaning-solution-for-ph-orp-electrodes\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9016\u003c\/strong\u003e\u003c\/a\u003e. \u003cstrong\u003eCleaning Solution for about 20 minutes\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCalibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli\u003eGently stir the Tester in the sample for a faster result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146616106,"sku":"BTS-PH55","price":78.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/PH55_FRONT_WNUMBERS__23584.1612470050.jpg?v=1756586161"},{"product_id":"milwaukee-t75-waterproof-low-range-total-dissolved-solids-pen-tds","title":"Milwaukee T75  Waterproof Low Range Total Dissolved Solids Pen (TDS)","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch1\u003e\u003cstrong\u003eDigital. Simple. Compact.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Milwaukee T75 Waterproof Total Dissolved Solids (TDS) Pen is designed for, aquariums, aquaculture, education, water conditioning and many other applications. The T75 helps you make sure that your fish have the right TDS balance to help them stay healthy. TDS also help keep filters up-to-date and clean for water filtration. Keep TDS in your target range to help your achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Total Disolved (TDS) direct.\u003c\/li\u003e\n\u003cli\u003eEasy-to-read LCD.\u003c\/li\u003e\n\u003cli\u003eIdeal range for aquariums (0 to 1999 ppm).\u003c\/li\u003e\n\u003cli\u003eAutomatic temperature compensation.\u003c\/li\u003e\n\u003cli\u003eUnits in ppm easily convertible to µS\/cm.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9062-1382-ppm-tds-conductivity-solution-bottle\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eMA9062\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10032b-1382-ppm-tds-calibration-solution-sachets-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eM10032B\u003c\/strong\u003e\u003c\/a\u003e 1382 ppm solutions\u003c\/li\u003e\n\u003cli\u003e250 hours continuous use (3 x 1.5V batteries included).\u003c\/li\u003e\n\u003cli\u003eSimple one point calibration.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eReplaceable TDS electrode \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma73075-ec-tds-replacement-electrode\" target=\"_blank\" rel=\"noopener\"\u003eMA73075\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTDS\/PPM electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConverting TDS to EC\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee TDS Pen, like all TDS meters, provides a measure of Total Dissolved Solids (ppm) reading, of contaminates per unit of volume in a solution.\u003c\/p\u003e\n\u003cp\u003eTDS\/PPM is often converted to µS\/cm. Different scales include the 500 scale, 650 scale and the 700 scale.\u003c\/p\u003e\n\u003cp\u003eYour TDS\/PPM readings can be approximately converted to µS\/cm as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e1 ppm = 2 µS\/cm on the 0.5 factor scale\u003cbr\u003e\u003cspan\u003e1 ppm = 1.43 µ\u003c\/span\u003eS\/cm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146943786,"sku":"BTS-T75","price":56.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/T75-Front-Cap-On__92693.1605893218.jpg?v=1756586163"},{"product_id":"milwaukee-c66-waterproof-high-range-conductivity-pen-with-atc-and-replaceable-electrode","title":"Milwaukee C66 Waterproof High Range Conductivity Pen with ATC and Replaceable Electrode","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee C66 (High Range) Waterproof Conductivity (EC) Pens is designed for aquarium, aquaculture, agriculture, and pool applications.\u003c\/p\u003e\n\u003cp\u003eor agriculture, C66 helps to make sure plants are receiving the right amount of nutrient. Keeping EC in your target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures conductivity direct.\u003c\/li\u003e\n\u003cli\u003eIdeal range for hydroponics (0.00 to 10.00 mS\/cm).\u003c\/li\u003e\n\u003cli\u003eUnits in mS\/cm easily convertible to ppm.\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC).\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9016-cleaning-solution-for-ph-orp-electrodes\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eMA9061\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10031b-1413-us-cm-conductivity-calibration-solution-sachets-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eM10031B\u003c\/strong\u003e\u003c\/a\u003e 1413 µS\/cm.\u003c\/li\u003e\n\u003cli\u003eReplaceable electrode.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e250 hours continuous use (3 x 1.5V batteries included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eEC electrodes can develop nutrient build up over time. To minimize build up, always rinse the probe in fresh tap water after every use.\u003c\/p\u003e\n\u003ch3\u003eConverting EC to TDS\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee EC Pen, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp\u003eEC is often converted to TDS in parts per million (ppm). Different scales include the 500 scale, 650 scale and the 700 scale. However, true PPM can only be determined through chemical analysis.\u003c\/p\u003e\n\u003cp\u003eYour mS\/cm reading can be approximately converted to TDS (ppm) as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e2.00 mS\/cm = 2000 µS\/cm = 1000 ppm on .50 factor scale\u003cbr\u003e2.00 mS\/cm = 2000 µS\/cm = 1400 ppm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549146976554,"sku":"BTS-C66","price":56.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/C66-Front-Cap-On__27612.1609373107.jpg?v=1756586167"},{"product_id":"milwaukee-c65-low-range-waterproof-conductivity-pen-with-atc-and-replaceable-electrode","title":"Milwaukee C65 Low Range Waterproof  Conductivity Pen with ATC and Replaceable Electrode","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-c65-low-range-waterproof-conductivity-pen-with-atc-and-replaceable-electrode\" rel=\"noopener\" target=\"_blank\"\u003eC65\u003c\/a\u003e (Low Range) Waterproof Conductivity (EC) Pen is designed for aquarium, aquaculture, agriculture, and pool applications.\u003c\/p\u003e\n\u003cp\u003eFor aquariums, \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-c65-low-range-waterproof-conductivity-pen-with-atc-and-replaceable-electrode\" rel=\"noopener\" target=\"_blank\"\u003eC65\u003c\/a\u003e helps to make sure that your fish or plants are receiving the right amount of nutrient to help keep your water clean and clear. Keeping EC in your target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures conductivity direct.\u003c\/li\u003e\n\u003cli\u003eIdeal range for Aquaculture (0 to 1999 µS\/cm).\u003c\/li\u003e\n\u003cli\u003eUnits directly in µS\/cm (no conversions required).\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC).\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9061-1413-us-cm-conductivity-solution\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMA9061\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10031b-1413-us-cm-conductivity-calibration-solution-sachets-25\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eM10031B\u003c\/strong\u003e\u003c\/a\u003e 1413 µS\/cm.\u003c\/li\u003e\n\u003cli\u003eReplaceable electrode.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65 standards.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e250 hours continuous use (3 x 1.5V batteries included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eEC electrodes can develop nutrient build up over time. To minimize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3\u003eConverting EC to TDS\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee EC Pen, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp\u003eEC is often converted to TDS in parts per million (ppm). Different scales include the 500 scale, 650 scale and the 700 scale. However, true PPM can only be determined through chemical analysis.\u003c\/p\u003e\n\u003cp\u003eYour uS\/cm reading can be approximately converted to TDS (ppm) as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e1 uS\/cm = 0.5 ppm on a .5 factor scale \u003cbr\u003e1 uS\/cm = 0.7 ppm on a .70 factor scale (442)\u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549147009322,"sku":"BTS-C65","price":56.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/C65-Front-Cap-On__97287.1605880689.jpg?v=1756586167"},{"product_id":"milwaukee-ph54-waterproof-ph-tester-with-replaceable-probe","title":"Milwaukee pH54 Waterproof pH Tester with Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee Waterproof pH54 Tester is one of our most accurate low cost, rugged and reliable pH testers in the market featuring the ability to easily replace the probe providing for years of carefree use. It's simple 2 point manual calibration is simple-to-use. Ideal for use in aquariums, hydroponics, horticulture, education and many other applications.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee Waterproof pH54 pH tester offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Waterproof pH54 tester is accurate to \u003cspan\u003e±\u003c\/span\u003e0.1 pH and is easy to read.\u003c\/p\u003e\n\u003cp\u003eWith easy 2 point manual calibration, this pH tester is quickly calibrated to an accuracy of much more expensive meters. Simple design and rugged, it brings great value for any application. Why guess at your readings using litmus paper when you can have guaranteed accurate, digital LCD results.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLong life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe tester comes with a replaceable pH probe with a double junction probe designed for longer life.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFast response\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe probe is double junction allowing quick, accurate pH readings and respose times.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo more worries about dropping your tester while measuring. The pH54 is waterproof to IP65.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLight weight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt just 3.5 ounces, the pH54 is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEase-of-use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA large LCD screen makes reading results easy while calibrating or reading your measurement. This takes the takes the guess work out of litmus paper.\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli\u003eExtreme pH accuracy to \u003cspan class=\"single-product-meta-item-value\"\u003e±\u003c\/span\u003e0.1 pH with a pH range (0.00 pH to 14.00 pH).\u003c\/li\u003e\n\u003cli\u003eExtra Resolution to 0.01 pH.\u003c\/li\u003e\n\u003cli\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli\u003eSimple manual one or two-point calibration.\u003c\/li\u003e\n\u003cli\u003eAcid Based calibrations, cleaning \u0026amp; storage solutions use \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-start-starter-solution-kit-for-ph-meters-and-testers\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003ePH-START\u003c\/strong\u003e\u003c\/a\u003e add \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9010-ph-10-01-calibration-solution\"\u003e\u003cstrong\u003eMA9010\u003c\/strong\u003e\u003c\/a\u003e (10.01 cal. buffer) or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10010b-ph-10-01-calibration-solution-sachets-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eM10010B\u003c\/strong\u003e\u003c\/a\u003e if Basic cal. required.\u003c\/li\u003e\n\u003cli\u003eGel-filled, double junction pH electrode for low maintenance and high performance.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eOver 1500 hours of continuous battery life (batteries included).\u003c\/li\u003e\n\u003cli\u003eReplaceable pH electrode \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma73600-replacement-electrode-for-ph51-ph54-testers\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eMA73600\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-main-maintenance-kit-for-ph-orp-meters-and-testers\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003ePH-Main\u003c\/strong\u003e\u003c\/a\u003e at checkout time! This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015. Only use tap water short-term if \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\"\u003e\u003cstrong\u003eMA9015\u003c\/strong\u003e\u003c\/a\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAlways store upright with the cap full of \u003cstrong\u003e\u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" rel=\"noopener\" target=\"_blank\"\u003eMA9015\u003c\/a\u003e Storage solution \u003c\/strong\u003efor \u003cstrong\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eClean your Tester regularly by soaking in cleaning solution \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9016-cleaning-solution-for-ph-orp-electrodes\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eMA9016\u003c\/strong\u003e\u003c\/a\u003e. \u003cstrong\u003eCleaning Solution for about 20 minutes\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCalibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli\u003eGently stir the Tester in the sample for a faster result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549147042090,"sku":"BTS-pH54","price":59.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/pH54-Front-Cap-On__28434.1605884179.jpg?v=1756586174"},{"product_id":"milwaukee-ph51-waterproof-ph-tester-with-replaceable-probe","title":"Milwaukee pH51 Waterproof pH Tester with Replaceable Probe","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv itemprop=\"description\" class=\"productView-desc-content\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Milwaukee Waterproof pH51 Tester is one of our most accurate low cost, rugged and reliable pH testers in the market featuring the ability to easily replace the probe providing for years of carefree use. It's simple 2 point manual calibration is simple-to-use. Ideal for use in aquariums, hydroponics, horticulture, pools and many other applications.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee pH51 pH tester offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Waterproof pH51 tester is accurate to \u003cspan\u003e±\u003c\/span\u003e0.1 pH and is easy to read.\u003c\/p\u003e\n\u003cp\u003eWith easy 2 point manual calibration, this pH tester is quickly calibrated to an accuracy of much more expensive meters. Simple design and rugged, it brings great value for any application. Why guess at your readings using litmus paper when you can have guaranteed accurate, digital LCD results.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLong life\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe tester comes with a replaceable pH probe with a double junction probe designed for longer life.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFast response\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe probe is double junction allowing quick, accurate pH readings and respose times.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWaterproof construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo more worries about dropping your tester while measuring. The pH51 is waterproof to IP65.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLight weight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt just 3.5 ounces, the pH51 is easy to handle at up to half the weight of other testers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEase-of-use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA large LCD screen makes reading results easy while calibrating or reading your measurement. This takes the takes the guess work out of litmus paper.\u003c\/p\u003e\n\u003ch2\u003eDesign features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast easy to read results with large digital LCD readout.\u003c\/li\u003e\n\u003cli\u003eExtreme pH accuracy to \u003cspan class=\"single-product-meta-item-value\"\u003e±\u003c\/span\u003e0.1 pH with a pH range (0.0 pH to 14.0 pH).\u003c\/li\u003e\n\u003cli\u003eLightweight and portable.\u003c\/li\u003e\n\u003cli\u003eEasy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\u003c\/li\u003e\n\u003cli\u003eSimple manual one or two-point calibration.\u003c\/li\u003e\n\u003cli\u003eAcid Based calibrations, cleaning \u0026amp; storage solutions use \u003ca rel=\"noopener\" href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-start-starter-solution-kit-for-ph-meters-and-testers\" target=\"_blank\"\u003e\u003cstrong\u003ePH-START\u003c\/strong\u003e\u003c\/a\u003e add \u003ca rel=\"noopener\" href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9010-ph-10-01-calibration-solution\" target=\"_blank\"\u003e\u003cstrong\u003eMA9010\u003c\/strong\u003e\u003c\/a\u003e (10.01 cal. buffer) or \u003ca rel=\"noopener\" href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10010b-ph-10-01-calibration-solution-sachets-25\" target=\"_blank\"\u003e\u003cstrong\u003eM10010B\u003c\/strong\u003e\u003c\/a\u003e if Basic cal. required.\u003c\/li\u003e\n\u003cli\u003eGel-filled, double junction pH electrode for low maintenance and high performance.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully waterproof to IP65.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eOver 1500 hours of continuous battery life (batteries included).\u003c\/li\u003e\n\u003cli\u003eReplaceable pH electrode \u003cstrong\u003e\u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma73600-replacement-electrode-for-ph51-ph54-testers\"\u003eMA73600\u003c\/a\u003e.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCare and Use\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003ca rel=\"noopener\" href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ph-main-maintenance-kit-for-ph-orp-meters-and-testers\" target=\"_blank\"\u003e\u003cstrong\u003ePH-Main\u003c\/strong\u003e\u003c\/a\u003e at checkout time! This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015. Only use tap water short-term if \u003cstrong\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\"\u003eMA9015\u003c\/a\u003e \u003c\/strong\u003eis not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere are our top four tips.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAlways store upright with the cap full of \u003cstrong\u003e\u003ca rel=\"noopener\" href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9015-storage-solution-for-ph-orp-electrodes\" target=\"_blank\"\u003eMA9015\u003c\/a\u003e Storage solution\u003c\/strong\u003e for \u003cstrong\u003eBEST RESULTS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eClean your Tester regularly by soaking in cleaning solution \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9016-cleaning-solution-for-ph-orp-electrodes\"\u003e\u003cstrong\u003eMA9016\u003c\/strong\u003e\u003c\/a\u003e. \u003cstrong\u003eCleaning Solution for about 20 minutes\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCalibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\u003c\/li\u003e\n\u003cli\u003eGently stir the Tester in the sample for a faster result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549147074858,"sku":"BTS-pH51","price":56.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/pH51-Front-Cap-On__85977.1605882774.jpg?v=1756586169"},{"product_id":"milwaukee-cd97-digital-low-range-tds-pen","title":"Milwaukee CD97 Digital Low Range TDS Pen","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch1\u003e\u003cstrong\u003eDigital. Simple. Compact.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Milwaukee CD97 Total Dissolved Solids Low Range (ppm) Pen is designed for water conditioning, education and many other applications. CD97 measures total dissolved solids (ppm) direct and with automatic temperature compensation.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis pen helps you make sure that your filters are up-to-date and clean for water filtration. CD97 is also a cost effective tool for teacher’s science labs. Keeping ppm in your target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Total Dissolved Solids (TDS) direct (ppm).\u003c\/li\u003e\n\u003cli\u003eIdeal range for water conditioning (0 to 999 ppm).\u003c\/li\u003e\n\u003cli\u003eUnits in ppm easily convertible to µS\/cm.\u003c\/li\u003e\n\u003cli\u003eSimple one-point calibration.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse calibration solution \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10080b-800-ppm-tds-calibration-solution-sachets-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eM10080B\u003c\/strong\u003e\u003c\/a\u003e 800 ppm (TDS).\u003c\/li\u003e\n\u003cli\u003eAutomatic Temp. Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eBattery life of approx. 300 hours of continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eEC\/PPM electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3\u003eConverting TDS to EC\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee TDS\/PPM Pen, like all TDS meters, provides a reading measured in parts per million of contaminates per unit of volume in a solution.\u003c\/p\u003e\n\u003cp\u003eTDS\/PPM is often converted to uS\/cm. Different scales include the 500 scale, 650 scale and the 700 scale.\u003c\/p\u003e\n\u003cp\u003eYour TDS\/PPM reading can be approximately converted to uS\/cm as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e1 ppm = 2 uS\/cm on the 0.5 factor scale\u003cbr\u003e\u003cspan\u003e1 ppm = 1.43 µ\u003c\/span\u003eS\/cm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549147337002,"sku":"BTS-CD97","price":40.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/CD97-Front-Cap__87103.1604676453.jpg?v=1756586174"},{"product_id":"milwaukee-cd611-digital-conductivity-pen-ec","title":"Milwaukee CD611 Digital Conductivity Pen (EC)","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch1\u003eDigital. Simple. Compact.\u003c\/h1\u003e\n\u003cp\u003eThe Milwaukee Conductivity Pen is designed for hydroponic and other growers. This pen helps to make sure plants are receiving the right amount of nutrient. Keeping EC in the target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures microSiemens (µS\/cm) direct.\u003c\/li\u003e\n\u003cli\u003eIdeal range for hydroponics (0 to 19,900 µS\/cm).\u003c\/li\u003e\n\u003cli\u003eUnits in µS\/cm are easily convertible to (ppm).\u003c\/li\u003e\n\u003cli\u003eSimple one-point calibration.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse calibration solutions \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10030b-12880-us-cm-conductivity-calibration-solution-sachets-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eM10030B\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9060-12880-us-cm-conductivity-calibration-solution\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eMA9060\u003c\/strong\u003e\u003c\/a\u003e 12,880 µS\/cm.\u003c\/li\u003e\n\u003cli\u003eAutomatic Temp. Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eBattery life of approx. 300 hours of continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat People are Saying\u003c\/h2\u003e\n\u003cp\u003eEasy to Use and Carry!\u003c\/p\u003e\n\u003cp\u003eWorks Great. I would buy again!\u003c\/p\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eEC electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap water after every use.\u003c\/p\u003e\n\u003ch3\u003eConverting EC to TDS\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee EC Pen, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp\u003eEC is often converted to TDS in parts per million (ppm). Different scales include the 500 scale, 650 scale and the 700 scale. However, true PPM can only be determined through chemical analysis.\u003c\/p\u003e\n\u003cp\u003eYour mS\/cm reading can be approximately converted to TDS (ppm) as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e2,000 \u003cspan\u003eµ\u003c\/span\u003eS\/cm = 2.0 mS\/cm = 1000 ppm on .50 factor scale\u003cbr\u003e2,000 \u003cspan\u003eµ\u003c\/span\u003eS\/cm = 2.0 mS\/cm = 1400 ppm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549147369770,"sku":"BTS-CD611","price":40.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/CD611-front-cap__85724.1609428838.jpg?v=1756586174"},{"product_id":"milwaukee-cd610-digital-high-range-tds-pen","title":"Milwaukee CD610 Digital High Range TDS Pen","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch1\u003e\u003cstrong\u003eDigital. Simple. Compact.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Milwaukee \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-cd610-digital-high-range-tds-pen\" rel=\"noopener\" target=\"_blank\"\u003eCD610\u003c\/a\u003e Digital High Range Total Dissolved Solids (TDS) Pen is designed for aquariums, pools and education and many other applications.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-cd610-digital-high-range-tds-pen\" rel=\"noopener\" target=\"_blank\"\u003eCD610\u003c\/a\u003e helps you make sure your fish tank water is clean and healthy. It is also a cost effective tool for teacher’s science labs. Keeping ppm in your target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Total Dissolved Solids (TDS) direct (ppm).\u003c\/li\u003e\n\u003cli\u003eIdeal range for aquariums \u0026amp; pools (0 to 10000 ppm).\u003c\/li\u003e\n\u003cli\u003eUnits in ppm easily convertible to µS\/cm.\u003c\/li\u003e\n\u003cli\u003eSimple one-point calibration.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse calibration solutions \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10038b-6-44-ppt-tds-calibration-solution-sachets-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eM10038B\u003c\/strong\u003e\u003c\/a\u003e 6.44 ppt.\u003c\/li\u003e\n\u003cli\u003eAutomatic Temp. Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eBattery life of approx. 300 hours of continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eEC\/PPM electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3\u003eConverting TDS to EC\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee TDS\/PPM Pen, like all TDS meters, provides a reading measured in parts per million of contaminates per unit of volume in a solution.\u003c\/p\u003e\n\u003cp\u003eTDS\/PPM is often converted to uS\/cm. Different scales include the 500 scale, 650 scale and the 700 scale.\u003c\/p\u003e\n\u003cp\u003eYour TDS\/PPM reading can be approximately converted to uS\/cm as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e1 ppm = 2 uS\/cm on the 0.5 factor scale\u003cbr\u003e\u003cspan\u003e1 ppm = 1.43 µ\u003c\/span\u003eS\/cm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549147402538,"sku":"BTS-CD610","price":40.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/pH610-front-cap__31067.1603810836.jpg?v=1756586174"},{"product_id":"milwaukee-cd601-digital-conductivity-pen-ec","title":"Milwaukee CD601 Digital Conductivity Pen (EC)","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch1\u003e\u003cstrong\u003eDigital. Simple. Compact.\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Milwaukee \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-cd601-digital-conductivity-pen-ec\" rel=\"noopener\" target=\"_blank\"\u003eCD601\u003c\/a\u003e Digital Conductivity (EC) Pen is designed for aquariums, aquaculture, pools, water conditioning and many other applications.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor aquariums, the \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-cd601-digital-conductivity-pen-ec\" rel=\"noopener\" target=\"_blank\"\u003eCD601\u003c\/a\u003e helps you make sure that your water has the right amount of nutrient to help keep fish tanks healthy. For water filtration, this pen helps to make sure your filters are up-to-date and clean. Keeping EC in your target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures microSiemens (µS\/cm) direct.\u003c\/li\u003e\n\u003cli\u003eIdeal range for aquariums (0 to 1990 µS\/cm).\u003c\/li\u003e\n\u003cli\u003eUnits in µS\/cm are easily convertible to (ppm).\u003c\/li\u003e\n\u003cli\u003eSimple one-point calibration.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse calibration solutions \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10031b-1413-us-cm-conductivity-calibration-solution-sachets-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eM10031B\u003c\/strong\u003e\u003c\/a\u003e or \u003cstrong\u003e\u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9061-1413-us-cm-conductivity-solution\" rel=\"noopener\" target=\"_blank\"\u003eMA9061\u003c\/a\u003e \u003c\/strong\u003e1413\u003cspan\u003e µS\/cm.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eAutomatic Temperature Compensation (ATC).\u003c\/li\u003e\n\u003cli\u003eBattery life of approx. 300 hours of continuous use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEC electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConverting EC to TDS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee EC Pen, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.\u003c\/p\u003e\n\u003cp\u003eEC is often converted to TDS in parts per million (ppm). Different scales include the 500 scale, 650 scale and the 700 scale. However, true PPM can only be determined through chemical analysis.\u003c\/p\u003e\n\u003cp\u003eYour mS\/cm reading can be approximately converted to TDS (ppm) as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e2,000 \u003cspan\u003eµ\u003c\/span\u003eS\/cm = 2.0 mS\/cm = 1000 ppm on .50 factor scale\u003cbr\u003e2,000 \u003cspan\u003eµ\u003c\/span\u003eS\/cm = 2.0 mS\/cm = 1400 ppm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549147664682,"sku":"BTS-CD601","price":40.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/pH601-front-cap__86358.1603811040.jpg?v=1756586180"},{"product_id":"milwaukee-cd600-digital-total-dissolved-solids-pen-tds","title":"Milwaukee CD600 Digital Total Dissolved Solids Pen (TDS)","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff; font-size: 0.95rem; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 20px;\"\u003e\n\u003cdiv class=\"productView-desc-content\" itemprop=\"description\"\u003e\n\u003ch1\u003eDigital. Simple. Compact.\u003c\/h1\u003e\n\u003cp\u003eThe Milwaukee \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-cd600-digital-total-dissolved-solids-pen-tds\" rel=\"noopener\" target=\"_blank\"\u003eCD600\u003c\/a\u003e Digital Total Dissolved Solids (TDS) Pen is designed for hydroponics, aquariums, horticulture, water conditioning, and many other applications.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn agriculture, the \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-cd600-digital-total-dissolved-solids-pen-tds\" rel=\"noopener\" target=\"_blank\"\u003eCD600\u003c\/a\u003e helps to make sure that your plants are receiving the right amount of nutrient. For water filtration, this pen helps to make sure your filters are up-to-date and clean. Keeping TDS in your target range helps to achieve better results.\u003c\/p\u003e\n\u003ch2\u003eDesign Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures Total Dissolved Solids (TDS) direct (ppm).\u003c\/li\u003e\n\u003cli\u003eIdeal range for hydroponics (0 to 1990 ppm).\u003c\/li\u003e\n\u003cli\u003eUnits in ppm easily convertible to µS\/cm.\u003c\/li\u003e\n\u003cli\u003eSimple one-point calibration.\u003c\/li\u003e\n\u003cli\u003eFactory calibrated with the ability to recalibrate if needed.\u003c\/li\u003e\n\u003cli\u003eUse calibration Solution \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-m10032b-1382-ppm-tds-calibration-solution-sachets-25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eM10032B\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/milwaukee-ma9062-1382-ppm-tds-conductivity-solution-bottle\"\u003e\u003cstrong\u003eMA9062\u003c\/strong\u003e\u003c\/a\u003e (1382 ppm solutions).\u003c\/li\u003e\n\u003cli\u003eAutomatic Temp. Compensation (ATC)\u003c\/li\u003e\n\u003cli\u003eBattery life of approx. 300 hours of continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare and Use\u003c\/h2\u003e\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eTDS\/PPM electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.\u003c\/p\u003e\n\u003ch3\u003eConverting TDS to EC\u003c\/h3\u003e\n\u003cp\u003eThe Milwaukee TDS Pen, like all TDS meters, provides a measure of Total Dissolved Solids (ppm) reading, of contaminates per unit of volume in a solution.\u003c\/p\u003e\n\u003cp\u003eTDS\/PPM is often converted to uS\/cm. Different scales include the 500 scale, 650 scale and the 700 scale.\u003c\/p\u003e\n\u003cp\u003eYour TDS\/PPM readings can be approximately converted to uS\/cm as shown in the examples below.\u003c\/p\u003e\n\u003cp\u003e1 ppm = 2 uS\/cm on the 0.5 factor scale\u003cbr\u003e\u003cspan\u003e1 ppm = 1.43 µ\u003c\/span\u003eS\/cm on the 442 scale or .70 factor scale\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c!-- snippet location product_description --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":50549147697450,"sku":"BTS-CD600","price":40.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/CD600-front-cap__24224.1609439511.jpg?v=1756586180"}],"url":"https:\/\/bluetigerscientific.com\/collections\/pocket-testers.oembed","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}