Use our premium shock products at least once a week to kill unwanted bacteria and algae, and give your pool the boost of chlorine it needs to keep your water . Welcome to hth® pool and spa care supplies. Our 4-step pool care and 3-step spa care programs make pool and spa maintenance quick and convenient. . shaped' briquette weighs 7gms and ensures great efficiency with minimal wastage. . A fast dissolving calcium hypochlorite, with 78%* available chlorine content. An ideal product to shock pool water safely and helps clean filter and surface . HTH Pool Shock Super Shock Treatment 6 count 6lbs (52008). +. HTH Pool Algaecide Super Algae Guard 60 (67064). +. Robarb R20154 Super Blue Clarifier . Amazon.com : HTH 51437 Super Select Shock Treatment for Swimming Pools, 1-Pound Bag, 5-Pack : Swimming Pool Chlorine : Garden & Outdoor. 3 មិថុនា 2011 - I finally used this stuff called hth green to blue. . My chlorine levels are still very high, so I don't think the algae is still alive. . There was minimal brown left so I put the good filter in and hopefully that will pick up the last tiny bit. Shop our selection of HTH, Pool Chemicals in the Outdoors Department at The Home Depot. 9 កុម្ភៈ 2017 - Specific chemicals used as sanitizers are Chlorine and Bromine. Arch Chemical 41228 HTH 3-Inch Chlorinating Tablets . This product prides itself with minimal residue that will not clog feeders and would rather clean . 23 មេសា 2018 - The Salt Chlorine Generators, pictured above, will produce all the . Sodium dichlor is very convenient and has minimal effects on the pH.