{"product_id":"solution-oto-1-chlorine-bromine-1-oz-bottle","title":"Pentair Solution OTO 1 Chlorine\/Bromine 1 oz Bottle","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","url":"https:\/\/www.activepoolsupply.com\/products\/solution-oto-1-chlorine-bromine-1-oz-bottle","provider":"Active Pool Supply","version":"1.0","type":"link"}