{"product_id":"hanna-hi93710-ph-indicator-reagents","title":"Hanna HI93710 pH Indicator Reagents, 100 or 300 Tests","description":"\u003cdiv id=\"bts-hi93710-description\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;max-width:1400px;margin:0 auto;padding:20px 12px;color:#26332C;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:24px;border-bottom:1px solid #e0e0e0;padding-bottom:24px;margin-bottom:24px;\"\u003e\n\u003cdiv style=\"flex:1 1 500px;min-width:0;box-sizing:border-box;\"\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;\"\u003eKeep your HI97710 ready for the next sample\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eChoose HI93710-01 for 100 tests or HI93710-03 for 300 tests. These genuine Hanna reagents replenish pH indicator sample testing with the HI97710 and other explicitly matched photometers. The instrument, cuvettes, caps and CAL Check standards are sold separately.\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eHanna prepares this chemistry with high-purity chemicals and marks the reagent packaging with a lot number and expiration date for traceability. Select the test count that fits your sample workload; the pack size does not change the measurement range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"flex:1 1 350px;min-width:min(250px,100%);margin:0;text-align:center;box-sizing:border-box;\"\u003e\n\u003cimg alt=\"Hanna HI93710-01 pH Photometer Reagents (100 tests), official manufacturer image\" height=\"1200\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/hi93710-10__43896.1568317624.jpg?v=1793384159\" style=\"width:100%;max-width:360px;height:auto;object-fit:contain;border-radius:8px;\" width=\"1200\"\u003e\n\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-size:0.9rem;margin-top:8px;\"\u003eHI93710-01 (100 tests): manufacturer reference photo. Packaging and printed dates are illustrative, not the expiry of supplied stock.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:24px;border-bottom:1px solid #e0e0e0;padding-bottom:24px;margin-bottom:24px;\"\u003e\n\u003cdiv style=\"flex:1 1 100%;min-width:0;box-sizing:border-box;\"\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;\"\u003eMatched chemistry for a defined photometer method\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003ePhenol red produces a yellow-to-red tint that varies with sample pH. A compatible photometer reads that response in pH units.\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eThe HI97710 method measures 6.5 to 8.5 pH. HI93710 is a phenol red sample indicator for photometric pH measurement. It is not a pH calibration buffer, an electrode storage solution, a CAL Check standard, or the HI779-25 Pool Line reagent. HI97104 and HI971044 are different models: do not substitute this reagent for the HI971044 pH method.\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eModel-manual verified compatibility: HI83300, HI83303, HI83305, HI83306, HI83308, HI83326, HI83399, HI93102, HI97104, HI97710, HI97725, HI97736, HI97745. Use only the matching instrument method; this is not universal Hanna-meter compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;\"\u003eA straightforward HI97710 sample workflow\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eFor the HI97710 pH method, select pH, fill a clean cuvette with 10 mL of unreacted sample, fit the stopper and cap, and zero the instrument. Remove the cuvette, add five drops of HI93710-0 indicator, replace the stopper and cap, and swirl to mix. Reinsert the cuvette with the cap notch correctly positioned and press Read. The pH procedure does not specify a timed reaction countdown. Use the exact method for any other compatible instrument.\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eKeep the cuvette exterior clean and dry and avoid bubbles. Review the Safety Data Sheet before use and follow appropriate handling and disposal procedures. Manufacturer reference photographs show illustrative packaging only. Visible printed dates do not describe the supplied stock expiry; check the actual lot and expiration date on receipt.\u003c\/p\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;\"\u003eWhat is included and what to have ready\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eEach selected pack supplies liquid phenol red indicator in dropper bottles for the stated 100 or 300 tests. Have a HI97710 photometer, suitable clean glass cuvettes with stoppers and caps, a water sample and the accessories required by the method ready separately. CAL Check standards verify the instrument; they do not replace reagents used to react with actual samples.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:24px;border-bottom:1px solid #e0e0e0;padding-bottom:24px;margin-bottom:24px;\"\u003e\n\u003cdiv style=\"flex:1 1 500px;min-width:0;box-sizing:border-box;\"\u003e\n\u003ch4 style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-weight:400;line-height:1.35;margin:0 0 16px;\"\u003eChoose your pack\u003c\/h4\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;margin:0 0 16px;\"\u003eHI93710-01 provides 100 tests for lower-volume replenishment. HI93710-03 provides 300 tests for a larger sample workload using the same chemistry. Consider expected usage and the expiration date on the supplied reagent before selecting a pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"flex:1 1 350px;min-width:min(250px,100%);margin:0;text-align:center;box-sizing:border-box;\"\u003e\n\u003cimg alt=\"Hanna HI93710-03 pH Photometer Reagents (300 tests), official manufacturer image\" height=\"1200\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/phphotometer-reagents-300-hi93710-03__90360.1574694993.jpg?v=1793384159\" style=\"width:100%;max-width:360px;height:auto;object-fit:contain;border-radius:8px;\" width=\"1200\"\u003e\n\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-size:0.9rem;margin-top:8px;\"\u003eHI93710-03 (300 tests): manufacturer reference photo. Packaging and printed dates are illustrative, not the expiry of supplied stock.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"faq_block\" style=\"border-top:1px solid #e0e0e0;margin-top:24px;\"\u003e\u003cdiv itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\" style=\"width: 100%; padding: 20px 0; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333;line-height:1.15;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; font-weight: 600; margin: 0 0 16px 0;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhat is the difference between HI93710-01 and HI93710-03?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eHI93710-01 supplies reagent for 100 tests; HI93710-03 supplies reagent for 300 tests. Both use the same HI93710-0 chemistry. The larger pack changes test capacity, not the method range.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhich instruments are verified for this reagent?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eThe model manuals list these reagent packs for HI83300, HI83303, HI83305, HI83306, HI83308, HI83326, HI83399, HI93102, HI97104, HI97710, HI97725, HI97736, HI97745. Select the matching method and follow your exact model manual; compatibility is not claimed for all Hanna meters.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhat range and units apply?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eThe HI97710 method covers 6.5 to 8.5 pH. This is a limited-range photometric pH method, not a full-range electrode measurement. The HI97710 displays pH with 0.1 pH resolution.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eHow much sample and reagent do I use?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eThe HI97710 method uses 10 mL of sample and Five drops of HI93710-0 per test. Zero using the unreacted sample first. Check the exact model manual for complete preparation and measurement instructions.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eHow do I mix and read the sample?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eFor the HI97710 pH method, select pH, fill a clean cuvette with 10 mL of unreacted sample, fit the stopper and cap, and zero the instrument. Remove the cuvette, add five drops of HI93710-0 indicator, replace the stopper and cap, and swirl to mix. Reinsert the cuvette with the cap notch correctly positioned and press Read. The pH procedure does not specify a timed reaction countdown. Use the exact method for any other compatible instrument.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eIs this a pH calibration buffer?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eHI93710 is a phenol red sample indicator for photometric pH measurement. It is not a pH calibration buffer, an electrode storage solution, a CAL Check standard, or the HI779-25 Pool Line reagent. HI97104 and HI971044 are different models: do not substitute this reagent for the HI971044 pH method.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhat is included, and is the meter supplied?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eOnly the selected reagent pack is supplied: liquid phenol red indicator in dropper bottles with capacity for 100 or 300 tests. The meter, cuvettes, caps, stoppers, cleaning accessories and CAL Check standards are not included. No meter or calibration standard is supplied.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhat should I check before handling or choosing a pack?\u003c\/summary\u003e\u003cdiv itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eMatch HI93710-0 to the instrument method, choose a test count appropriate for your workload, and check the actual lot number and expiration date. Review the linked US Safety Data Sheet and use appropriate handling and disposal procedures. Manufacturer photos may show illustrative older packaging dates.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"100 tests | HI93710-01","offer_id":53395073171754,"sku":"BTS-HI93710-01","price":36.29,"currency_code":"USD","in_stock":true},{"title":"300 tests | HI93710-03","offer_id":53395073204522,"sku":"BTS-HI93710-03","price":93.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/hi93710-10__43896.1568317624.jpg?v=1793384159","url":"https:\/\/bluetigerscientific.com\/products\/hanna-hi93710-ph-indicator-reagents","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}