{"title":"Standard Colorimetric Photometers","description":"","products":[{"product_id":"hanna-instruments-hi717-high-range-phosphate-colorimeter-checker®-hc","title":"Hanna Instruments HI717 High Range Phosphate Colorimeter – Checker® HC","description":"\u003cdiv class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"inline_rich_text\" style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333;\"\u003e\n\u003cp style=\"font-size: 1rem; line-height: 1.65; margin: 0 0 16px;\"\u003e\u003cstrong\u003eThe Hanna Instruments HI717 High Range Phosphate Colorimeter – Checker® HC delivers lab-grade accuracy in a compact, pocket-friendly meter.\u003c\/strong\u003e Phosphates support plant growth and fertilizer production, yet elevated levels can damage aquatic environments and municipal systems. The HI717 makes phosphate testing fast and dependable—replacing subjective color charts with a direct digital reading for confident water quality monitoring.\u003c\/p\u003e\n\u003ch4 style=\"font-weight: 400; font-size: 1rem; margin: 16px 0 10px;\"\u003eFeatures at a Glance:\u003c\/h4\u003e\n\u003cul style=\"font-size: 1rem; line-height: 1.6; margin: 0 0 0 18px; padding: 0; list-style: disc;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate digital results:\u003c\/strong\u003e Get a clear phosphate value without guessing between color swatches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy one-button operation:\u003c\/strong\u003e Simple workflow delivers quick, repeatable measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable, pocket-size design:\u003c\/strong\u003e Lightweight form factor fits field kits and benchtops alike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-parameter focus:\u003c\/strong\u003e Dedicated to high-range phosphate testing for consistent reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e Ideal for water quality, aquaculture, agriculture, industry, and education.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":50632202879274,"sku":"BTS-HI717","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/hi717-checkerhc-front__33240.1708090189.jpg?v=1758755394"},{"product_id":"hanna-instruments-hi713-low-range-phosphate-colorimeter-checker®-hc","title":"Hanna Instruments HI713 Low Range Phosphate Colorimeter – Checker® HC","description":"\u003cdiv style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; font-size: 1rem; line-height: 1.65; max-width: 1400px; margin: 0 auto; padding: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Hanna Instruments HI713 Low Range Phosphate Colorimeter – Checker® HC\u003c\/strong\u003e is designed to make phosphate testing simple, accurate, and affordable for both professionals and hobbyists. Phosphates are widely used as food additives to enhance flavor and stabilize products, while also serving as essential nutrients for plant growth when used in fertilizers. However, excessive phosphate levels in natural and municipal waters can negatively impact the environment, contributing to algae blooms and water quality issues. The HI713 helps you monitor phosphate levels with precision and ease, ensuring reliable data whether you’re testing in the lab, field, or classroom.\u003c\/p\u003e\n\u003cp\u003eUnlike traditional chemical test kits that require subjective color matching, the HI713 delivers direct digital phosphate readings. This removes the guesswork, reduces human error, and provides consistent results every time. The handheld colorimeter is compact, portable, and powered by a simple one-button operation, making it the perfect tool for quick spot checks or routine monitoring. With its user-friendly design and dependable performance, the HI713 Checker® HC is an excellent choice for aquaculture professionals, agricultural users, educators, and anyone concerned with maintaining high water quality standards.\u003c\/p\u003e\n\u003ch4 style=\"font-weight: 400; margin-top: 20px;\"\u003eFeatures at a Glance:\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate digital results:\u003c\/strong\u003e Provides precise low range phosphate readings, eliminating the uncertainty of visual color charts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser-friendly operation:\u003c\/strong\u003e Simple one-button design allows quick and reliable testing for all skill levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated single-parameter meter:\u003c\/strong\u003e Optimized for low range phosphate measurement to ensure consistent reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable and compact:\u003c\/strong\u003e Small enough to fit in your pocket, making it ideal for both field and laboratory testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide application use:\u003c\/strong\u003e Perfect for water quality monitoring, aquaculture systems, agricultural testing, and educational demonstrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-effective solution:\u003c\/strong\u003e Combines affordability with accuracy, making it a smarter choice than traditional chemical test kits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":50634836803882,"sku":"BTS-HI713","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/HI713-CheckerHC-Front-1275x1275__53140.1746650341.jpg?v=1758845067"},{"product_id":"hanna-instruments-hi753-chloride-colorimeter-checker®-hc","title":"Hanna Instruments HI753 Chloride Colorimeter – Checker® HC","description":"\u003cdiv data-hs-cos-field=\"content\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-general-type=\"widget\" style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; font-size: 1rem; color: #333;\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" id=\"hs_cos_wrapper_widget_12054512270_\"\u003e\n\u003cp style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; font-size: 1rem;\"\u003e\u003cstrong\u003eThe Hanna Instruments HI753 Chloride Colorimeter – Checker® HC delivers fast, accurate digital chloride testing for water quality applications.\u003c\/strong\u003e Compact and cost‑effective, this handheld colorimeter provides laboratory‑grade precision in a portable design. Chloride is one of the most common anions in water and wastewater, and excessive levels can affect taste, corrode stainless steel, damage boiler systems, and harm aquatic life. The HI753 offers a reliable alternative to chemical test kits, giving clear results in just a few simple steps.\u003c\/p\u003e\n\u003ch4 style=\"font-family: 'Open Sans', sans-serif; font-weight: 400; font-size: 1rem;\"\u003e\u003cstrong\u003eFeatures at‑a‑glance\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; font-size: 1rem;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate digital measurement\u003c\/strong\u003e eliminates guesswork compared to traditional chemical test kits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated single‑parameter design\u003c\/strong\u003e ensures reliable chloride testing every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact handheld size\u003c\/strong\u003e offers convenience for field, lab, or classroom use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for water quality, environmental monitoring, education, and industrial testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":50867825017130,"sku":"BTS-HI753","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/hi753-checkerhc-front__80629.1559321292.jpg?v=1763942906"},{"product_id":"hanna-instruments-hi782-marine-nitrate-high-range-checker-hc","title":"Hanna Instruments HI782 Marine Nitrate High Range Checker HC","description":"\u003cdiv data-hs-cos-field=\"content\" data-hs-cos-type=\"inline_rich_text\" data-hs-cos-general-type=\"widget\" style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; font-size: 1rem; color: #333;\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_inline_rich_text\" id=\"hs_cos_wrapper_widget_1619529291965_\"\u003e\n\u003cp style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; font-size: 1rem;\"\u003e\u003cstrong\u003eNitrate is the final step in the nitrogen cycle, and excessive levels in saltwater aquariums can fuel algae and dinoflagellate growth.\u003c\/strong\u003e The Hanna Instruments HI782 Marine Nitrate High Range Checker HC offers a simple, accurate, and cost‑effective way to measure nitrate from 0.0 to 75.0 ppm (as NO\u003csub\u003e3\u003c\/sub\u003e–), helping aquarists maintain healthy reef environments. Using the Zinc Reduction method, the HI782 delivers quick, reliable colorimetric results with a clear digital readout in just four easy steps.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg style=\"width: 800px; margin-left: auto; margin-right: auto; display: block;\" loading=\"lazy\" width=\"800\" alt=\"HI782 Marine Nitrate Checker HC\" src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/checker1234-1.jpg?width=800\u0026amp;name=checker1234-1.jpg\"\u003e\u003c\/p\u003e\n\u003ch3 style=\"font-family: 'Open Sans', sans-serif; font-weight: 400; font-size: 1rem;\"\u003e\u003cstrong\u003eFeatures at‑a‑glance:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; font-size: 1rem;\"\u003e\n\u003cli\u003eDesigned specifically for saltwater samples\u003c\/li\u003e\n\u003cli\u003eMore accurate than standard chemical test kits\u003c\/li\u003e\n\u003cli\u003eDedicated to a single parameter for precision\u003c\/li\u003e\n\u003cli\u003eCompact handheld size for convenience\u003c\/li\u003e\n\u003cli\u003eDigital readout eliminates visual color‑matching errors\u003c\/li\u003e\n\u003cli\u003eIdeal for reef tanks, aquariums, and marine biology applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"text-align: center; font-family: 'Open Sans', sans-serif; font-weight: 400; font-size: 1rem;\"\u003e\u003cstrong\u003eHI782 High Range Nitrate Checker vs HI781 Low Range Nitrate Checker\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp style=\"font-family: 'Open Sans', sans-serif; font-weight: 300; font-size: 1rem;\"\u003eThe HI782 was designed for aquarists managing higher‑than‑average nutrient levels, such as fish‑only saltwater tanks or corals tolerant of nitrate concentrations at 30 ppm or more. Very low nitrate levels are critical for delicate reef aquariums, as excess nitrate can harm or kill sensitive corals and invertebrates. For ultra‑low range precision (0.00 to 5.00 ppm), Hanna offers the HI781 Marine Nitrate Low Range Checker HC. For freshwater testing, Hanna recommends the HI97728 Nitrate Portable Photometer.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":50870894199082,"sku":"BTS-HI782","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/HI782-Front-1200x1200__39725.1746650223.jpg?v=1764008096"}],"url":"https:\/\/bluetigerscientific.com\/collections\/standard-colorimetric-photometers.oembed","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}