{"product_id":"hanna-hi93701-t-total-chlorine-liquid-reagents-300-tests","title":"Hanna HI93701-T Total Chlorine Liquid Reagents — 300 Tests","description":"\u003cdiv id=\"bts-hi93701-t-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;background:#fff;\"\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:20px;align-items:center;border-bottom:1px solid #e0e0e0;padding-bottom:20px;\"\u003e\n\u003cdiv style=\"flex:1 1 320px;min-width:0;box-sizing:border-box;\"\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 LIQUID PHOTOMETER REAGENTS · HI93701-T\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eOne complete set. A clearer choice for paired chlorine testing.\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 the complete HI93701-T liquid set when your chlorine program needs a total result—or supported free-then-total readings from the same sample. Hanna rates this reagent pack for 300 nominal tests, with A-T, B-T and C-T chemistry matched to the documented liquid methods.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"flex:0 1 310px;min-width:0;margin:0;box-sizing:border-box;text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/total-chlorine-liquid-reagents-300-tests-hi93701-t__20753.1559321282.webp?v=1793920573\" alt=\"Official Hanna HI93701-T total chlorine liquid reagent set photograph\" width=\"1200\" height=\"1200\" loading=\"lazy\" style=\"width:100%;max-width:300px;height:auto;object-fit:contain;\"\u003e\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;font-size:0.85rem;\"\u003eFactory photograph for product identification, not an itemized packing list or current lot\/expiry declaration.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F1F7F3;border-left:3px solid #245B45;padding:20px;margin:24px 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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eWhy choose T for the paired 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;\"\u003eOn HI971044 v1.02+ and HI97104 v1.04+, the documented sequential Chlorine (Liquid) program uses HI93701-T alone. A-T and B-T produce the free reading; adding C-T to the same reacted sample produces total chlorine. There is no need to buy both the retail F and T sets for that supported sequence. The free reading takes 1 minute, followed by 1 additional minute for total.\u003c\/p\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eLiquid or powder: match the program before the 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;\"\u003eThe liquid format suits a routine that already uses measured drops and the instrument’s liquid-method timers. Powder packets are a different reagent format with their own preparation. Choose on method fit, not a shared chlorine label: this is HI93701-T, not the HI93711 powder family, and not the HI93701-F free-only retail set.\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eTwo routes to total—not one universal recipe\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;\"\u003eThe supported sequential program retains the free-chlorine sample for the total step. In contrast, the separate Total Chlorine (Liquid) method on these pool models uses 3 drops A-T, 3 drops B-T and 1 drop C-T with a 10 mL sample and a 2-minute-30-second reaction. Select the intended program first; use its full preparation, blanking and mixing instructions in the PDF. Do not impose a fresh separate cuvette on the paired program, or copy its shorter timer into separate Total mode.\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eA focused fit for the pool bench\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;\"\u003eThe HI971044 and HI97104 liquid chlorine methods cover 0.00–5.00 mg\/L as Cl₂. This is the instrument\/method measuring range, not a reagent concentration or guaranteed kit accuracy. The manuals reference reaction timing at 25 °C and direct that samples be below 27 °C. Photometer and cuvettes are separate equipment.\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eKnow exactly what you are replenishing\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;\"\u003eThe complete HI93701-T pack supplies Total Chlorine Reagent A (HI93701A-T), Total Chlorine Reagent B (HI93701B-T) and Total Chlorine Reagent C (HI93701C-T). Its nominal 300-test capacity comes from Hanna’s current US offer and manual accessory table, not from counting bottles in the image or dividing a guessed volume by drops. Order one pack for one complete sellable set.\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eCompatibility is model- and method-specific\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;\"\u003eThe linked November 2025 manuals explicitly support HI971044 v1.02+ and the different HI97104 v1.04+ model. HI83300 also has a documented total-chlorine liquid method; use that benchtop manual’s own procedure, not the pool sequential instructions by analogy. These three examples are not a claim that every HI97xxx or HI833xx model accepts liquid reagents.\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eA regional advisory worth knowing\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;\"\u003eHanna Germany publishes a regional note advising against these liquids on current HI97xxx and HI833xx instruments. That broad note conflicts with the explicit exact-model methods in the current US-linked manuals used here. We have not treated the note as withdrawn: this page limits its recommendations to the verified model, software and method combinations. Check the manual for your actual instrument and market before substituting reagents.\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003ePlan handling as well as testing\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;\"\u003eThese are analytical chemical reagents, not harmless pool-treatment liquids. The genuine US component SDS identify A and B as corrosive and C with a repeated-exposure organ-damage hazard. Follow the individual SDS for protection, storage, incompatibilities, disposal and transport. Hanna labels this US offer as dangerous goods with ground-only shipping restrictions; do not assume the shared policy’s expedited options apply to this pack.\u003c\/p\u003e\n\u003cdiv class=\"faq_block\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;box-sizing:border-box;line-height:1.15;border-top:1px solid #e0e0e0;margin-top:28px;padding-top:12px;\"\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;color:#245B45;margin:24px 0 12px;line-height:1.35;\"\u003eFrequently asked questions\u003c\/h4\u003e\n\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border-bottom:1px solid #e0e0e0;padding:16px 0;\"\u003e\u003csummary itemprop=\"name\" style=\"font-weight:400;cursor:pointer;line-height:1.4;\"\u003eCan HI93701-T measure free and total chlorine without buying the F set too?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"line-height:1.65;padding-top:12px;\"\u003e\u003cp itemprop=\"text\" style=\"margin:0;\"\u003eYes, for the documented sequential liquid program on HI971044 software v1.02+ and HI97104 v1.04+. Use the T set alone: A-T and B-T develop the free-chlorine reading, then C-T is added to that same reacted sample for total chlorine. You do not need both retail F and T sets for this paired workflow. Follow the exact instrument program.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border-bottom:1px solid #e0e0e0;padding:16px 0;\"\u003e\u003csummary itemprop=\"name\" style=\"font-weight:400;cursor:pointer;line-height:1.4;\"\u003eWhat does the 300-test rating mean?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"line-height:1.65;padding-top:12px;\"\u003e\u003cp itemprop=\"text\" style=\"margin:0;\"\u003eIt is Hanna’s nominal capacity for one complete HI93701-T reagent set, not 300 bottles, a bottle count or a guaranteed number of free-plus-total pairs under every protocol. Consumption follows your chosen method. One order quantity is one complete reagent pack; no bottle volumes or physical bottle counts are specified here.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border-bottom:1px solid #e0e0e0;padding:16px 0;\"\u003e\u003csummary itemprop=\"name\" style=\"font-weight:400;cursor:pointer;line-height:1.4;\"\u003eHow is the sequential program different from separate Total mode?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"line-height:1.65;padding-top:12px;\"\u003e\u003cp itemprop=\"text\" style=\"margin:0;\"\u003eFor the two verified pool models, sequential Chlorine (Liquid) uses A-T\/B-T for a 1-minute free reading and then C-T in the same cuvette for 1 additional minute before total. The separate Total Chlorine (Liquid) method instead uses A-T\/B-T\/C-T with a 10 mL sample and a 2-minute-30-second reaction. These programs are not interchangeable; the linked manuals contain the complete recipes.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border-bottom:1px solid #e0e0e0;padding:16px 0;\"\u003e\u003csummary itemprop=\"name\" style=\"font-weight:400;cursor:pointer;line-height:1.4;\"\u003eWhich pool photometers are specifically supported?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"line-height:1.65;padding-top:12px;\"\u003e\u003cp itemprop=\"text\" style=\"margin:0;\"\u003eThe November 2025 manuals document HI971044 software v1.02 and higher and HI97104 software v1.04 and higher. These are different models, each with its own liquid method. Check your exact model, software and selected program. This is not an all-HI97xxx compatibility claim or a promise of a firmware upgrade service.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border-bottom:1px solid #e0e0e0;padding:16px 0;\"\u003e\u003csummary itemprop=\"name\" style=\"font-weight:400;cursor:pointer;line-height:1.4;\"\u003eCan I use this instead of powder packets or with a Checker?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"line-height:1.65;padding-top:12px;\"\u003e\u003cp itemprop=\"text\" style=\"margin:0;\"\u003eOnly where your exact instrument manual specifies HI93701-T liquid reagents. Liquid drop dosing and its timers differ from powder packet methods; do not transfer powder shaking instructions or timing. Compatibility is not established here for HI701, HI7014 or HI711 Checkers, nor for every photometer with a chlorine result screen.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border-bottom:1px solid #e0e0e0;padding:16px 0;\"\u003e\u003csummary itemprop=\"name\" style=\"font-weight:400;cursor:pointer;line-height:1.4;\"\u003eAre the F and T reagent components interchangeable?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"line-height:1.65;padding-top:12px;\"\u003e\u003cp itemprop=\"text\" style=\"margin:0;\"\u003eThe verified pool method explicitly permits A-T\/A-F and B-T\/B-F interchange within that method. This does not make the retail F and T packs aliases: the T set includes C-T for the total step, whereas the F set is the free-chlorine pack. Buy the complete T set when your supported paired program needs that total step.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border-bottom:1px solid #e0e0e0;padding:16px 0;\"\u003e\u003csummary itemprop=\"name\" style=\"font-weight:400;cursor:pointer;line-height:1.4;\"\u003eWhat should I check for warm pool or spa samples?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"line-height:1.65;padding-top:12px;\"\u003e\u003cp itemprop=\"text\" style=\"margin:0;\"\u003eUse samples below 27 °C as directed in the verified pool manuals; their reaction times are referenced at 25 °C. Follow the instrument’s sample handling, zeroing and timing instructions rather than testing a hot sample on an assumed universal timer. Method and instrument specifications are not a standalone reagent accuracy guarantee.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border-bottom:1px solid #e0e0e0;padding:16px 0;\"\u003e\u003csummary itemprop=\"name\" style=\"font-weight:400;cursor:pointer;line-height:1.4;\"\u003eHow should I handle and store the reagents?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"line-height:1.65;padding-top:12px;\"\u003e\u003cp itemprop=\"text\" style=\"margin:0;\"\u003eRead the separate US SDS for HI93701A-T, HI93701B-T and HI93701C-T before use. A and B are corrosive; C carries a repeated-exposure organ-damage hazard. Use the specified protective measures, keep original containers sealed, and follow each component’s storage and disposal directions. Check supplied lot and expiry markings; the factory photo is not evidence of current stock expiry. Hanna identifies the US offer as dangerous goods with ground-only shipping restrictions.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":53478076645674,"sku":"BTS-HI93701-T","price":64.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/total-chlorine-liquid-reagents-300-tests-hi93701-t__20753.1559321282.webp?v=1793920573","url":"https:\/\/bluetigerscientific.com\/products\/hanna-hi93701-t-total-chlorine-liquid-reagents-300-tests","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}