{"title":"Pentair Chemicals","description":"\u003cp\u003ePentair chemicals at Active Pool Supply, genuine OEM and quality aftermarket.\u003c\/p\u003e","products":[{"product_id":"test-kit-cya-8-oz-79","title":"Pentair Cyanuric Acid Specialty Test Kit, R151226","description":"\u003cp\u003eThe Pentair R151226 is the number 79 specialty test kit, made to measure cyanuric acid. It comes with 8 oz of reagent and a test vial designed to give a positive readout, packed in a styrene box with a clear top and instructions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy test cyanuric acid\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCyanuric acid is the stabilizer that protects free chlorine from ultraviolet light. Without it, an outdoor pool can lose most of its chlorine in a single sunny day. With too much of it, the chlorine that remains reacts more slowly and the pool needs a higher reading to hold the same sanitizing power. Neither problem shows up on a normal chlorine test, which is why stabilizer gets its own kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow the test works\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe reagent reacts with cyanuric acid to cloud the sample, and the degree of cloudiness is proportional to the concentration. That is why the kit is listed under both cyanuric acid and turbidity, and why the vial is shaped for a clear cut reading rather than a guess.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen to use it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCheck stabilizer at opening, after any addition of stabilized chlorine, and after heavy rain or a large water replacement. Cyanuric acid does not break down on its own, so the only way the level comes down is by diluting the pool.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626576883924,"sku":"RAI-45-828","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_dcacfbcd-161c-4614-8e84-a8b3341c0695.png?v=1788712639"},{"product_id":"4-in-1-oto-test-kit-chlorine-ph-acid-demand-total-alkalinity","title":"Pentair 4-in-1 OTO Test Kit, Chlorine, pH, Acid Demand and Total Alkalinity, R151186","description":"\u003cp\u003eThis is the Pentair 4-in-1 OTO test kit, part R151186, listed by Pentair as kit number 78HR. One case covers chlorine, pH, acid demand and total alkalinity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy four tests\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eChlorine and pH are the two readings most owners take, but on their own they tell you what is wrong without telling you what to do about it. Acid demand converts a high pH into an actual dose of acid. Total alkalinity is the buffer sitting behind pH, and if it is out of range, pH will drift back no matter how many times you correct it. Reading all four is what turns testing into a decision.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReagents rather than strips\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is a liquid reagent kit. It takes a little longer than dipping a strip, and it gives readings you can compare from week to week. Keep the reagents out of the sun and replace them when they age, since old reagent is the usual reason a kit starts disagreeing with the dealer test.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48626725650644,"sku":"RAI-45-830","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a5e67738-1f96-4aa7-b9c9-666b421f6245.jpg?v=1788714064"},{"product_id":"solution-oto-1-chlorine-bromine-1-oz-bottle","title":"Pentair Solution OTO 1 Chlorine\/Bromine 1 oz Bottle, R161025","description":"\u003cp\u003ePentair R161025 is Solution 1, the OTO reagent used to test chlorine and bromine in pool water. It comes in a 1 oz bottle and is the factory refill for Pentair test kits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow OTO reads\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOrthotolidine reacts with chlorine or bromine and develops a yellow color, deeper as the sanitizer level rises. It is the reagent behind the yellow side of a two column test block, with the pH reading in the other column.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKeep it fresh\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReagents are consumables. Heat, sunlight and age all degrade them, and a tired bottle produces readings that no amount of chemistry will explain. When a test stops behaving the way it used to, replacing the solution is the cheapest first move.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627967721684,"sku":"RAI-45-966","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_6fed8b54-85ed-4629-9dfb-bc8c4ba2ade6.jpg?v=1788731906"},{"product_id":"test-kit-water-hardness-1200","title":"Pentair Total Water Hardness Testing Parameter Specialty Test Kit, R151276","description":"\u003cp\u003eThe Pentair R151276 is the #1200 specialty test kit for total water hardness. It reads a single parameter, and it reads it clearly, which is why it is a common addition to a service kit that already covers chlorine and pH.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is in the kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYou get a test vial and two solutions, packed together in a compact plastic box. The instructions are written to be followed at the pool edge, so no meter or laboratory glassware is involved.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy hardness matters\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHardness is one of the numbers that make up balanced water. Left unchecked at either extreme it works against the pool, and a reading you trust is the first step to correcting it. Keeping the water in balance is what makes a pool comfortable to swim in and keeps the surfaces and equipment from paying for it.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48628966949076,"sku":"RAI-45-827","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_69bc1376-35e7-4744-82a7-fc52d67be565.png?v=1788758524"},{"product_id":"solution-oto-1-2-oz","title":"Pentair OTO #2 Test Solution","description":"\u003cp\u003eOTO #2 is the reagent used to read chlorine and bromine in pool and spa water. This is the Pentair solution, listed under part numbers R161004 and R161007.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy test\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSanitizer is the one number that does not hold still. It burns off in sun, gets used up by swimmers and rain, and a pool that read fine last week can be short by the weekend. Testing on a schedule is what tells you to dose before the water turns, rather than after.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is the reagent bottle alone, not a complete test kit, so it suits topping up a kit you already own. Note that the size for this item is published two ways, as 2 oz and as 1\/2 oz. Both figures appear in the source data, so confirm the size against what your kit takes.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48633987891412,"sku":"RAI-45-934","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_3fc54df2-7b7f-4b70-b355-87080ff4709e.png?v=1788823411"},{"product_id":"stop-leak-1-quart","title":"Pentair Stop Leak, 1 Quart, 48220000","description":"\u003cp\u003ePentair Stop Leak, part number 48220000, in a 1 quart container.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you use it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRead the label. The dosing rate and the method are printed on the container, and that is the instruction to work from.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA word on leaks\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWhere a leak can be traced to a specific fitting, a cracked union or a failed seal, the repair is the right answer. A sealer is for the losses that cannot be found and reached.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634147537108,"sku":"AMP-60-5501","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_c1b0e6f8-e4e8-4754-93c9-9a8dd2acc9c5.jpg?v=1788825761"},{"product_id":"all-in-one-dpd-test-kit-78dpd","title":"Pentair All-In-One DPD Test Kit #78DPD, R151246","description":"\u003cp\u003eThe Pentair #78DPD All-in-One test kit, part number R151246, covers the six readings a pool actually needs: free chlorine, total chlorine and combined chlorine, pH, acid demand and total alkalinity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy DPD, and why combined chlorine\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDPD tablets are what let you read free and total chlorine separately. Subtract one from the other and you have combined chlorine, the chloramine that builds up in a working pool and produces the strong chlorine smell and the stinging eyes that people wrongly blame on too much chlorine. A strip or an OTO kit will not show you that number, so the problem goes unfixed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is in the box\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe kit ships in the red display box with a Lucite test cell, 50 each of the DPD No. 1 and No. 3 tablets, 1 oz each of reagents No. 2 and No. 3, half an ounce each of No. 4 and No. 5, and the water test booklet. The acid demand test rounds it out by telling you how much acid to add rather than leaving you to guess.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634473709780,"sku":"RAI-45-832","price":39.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_17eba3d9-1add-475a-b2d7-4920c4284619.jpg?v=1788831900"},{"product_id":"solution-3-acid-demand-t-a-1-oz-bottle","title":"Pentair Solution #3 Acid Demand T\/A 1 oz Bottle, R161185","description":"\u003cp\u003ePentair R161185 is the Solution #3 Acid Demand T\/A reagent, supplied in a 1 oz bottle. It is the replacement bottle for a test kit you already own.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSolution #3 is a titrant. You add it to the water sample a drop at a time until the color changes, and the number of drops it took is the reading. That makes the accuracy of the result entirely dependent on the condition of the solution, which is why reagents are treated as a consumable rather than a permanent part of the kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUse the right number\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach numbered solution in a test kit does one job, and they are not interchangeable. This is Solution #3, the acid demand and total alkalinity reagent. If your kit is giving results that do not match a pool you know is balanced, tired reagents are the usual cause.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634806108372,"sku":"RAI-45-948","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_cf5448f7-1d98-4fd2-8171-2a729c692362.jpg?v=1788837708"},{"product_id":"solution-2-1-oz","title":"Pentair 1 oz #2 pH Test Solution, R161178","description":"\u003cp\u003eThe Pentair R161178 is the number 2 pH test solution, supplied in a 1 oz bottle. It is the reagent you add to a water sample to read pH.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy the reading matters\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003epH is the first number to get right in a pool. Water that drifts too far in either direction irritates swimmers, works on plaster, grout and metal parts, and stops the sanitizer doing its job properly. Testing regularly is what tells you which way the water is moving before it becomes a problem.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA refill, not a kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis listing is the solution alone. It suits anyone who already owns the test kit and simply needs the number 2 bottle topped back up.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48634931052756,"sku":"RAI-45-935","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_5a7a9006-3154-45ba-a4ad-0dcef88cf132.png?v=1788838938"},{"product_id":"solution-ph-red-16-oz","title":"Pentair pH Solution Phenol Red with Chlorine Neutralizer 16 oz | R161126","description":"\u003cp\u003eThe Pentair R161126 pH Solution Phenol Red is a liquid reagent used for accurate pool water pH testing. Formulated with a chlorine neutralizer, it helps reduce chlorine interference to provide clear and reliable pH readings when used with compatible pool and spa test kits.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48649357656276,"sku":"RAI-45-864","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/34575_0_2026120131242.jpg?v=1789051078"},{"product_id":"sandshark-flexible-snap-kit","title":"Pentair Sta-Rite Sand Shark Flexible Snap Kit | Set of 2 | GW7904","description":"\u003cp\u003ePentair Sta-Rite Sand Shark Flexible Snap Kit. OEM part number GW7904.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48649491677396,"sku":"STA-201-1068","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/gw7904.jpg?v=1789667580"}],"url":"https:\/\/www.activepoolsupply.com\/collections\/pentair-chemicals.oembed","provider":"Active Pool Supply","version":"1.0","type":"link"}