{"product_id":"drytec-1-1901-calcium-hypochlorite-pool-shock-1-pound-fast-acting-pool-sanitizer","title":"DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound – Fast-Acting Pool Sanitizer","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDryTec 1-1901 Calcium Hypochlorite Pool Shock arrives in a compact 1-pound bag and is designed to deliver quick-acting sanitization for routine chlorination and periodic shock treatments. With 68% calcium hypochlorite, this product supports water clarity when used as directed and paired with a dependable test kit.\u003c\/p\u003e\u003ch3\u003eWhat to expect in real-life use\u003c\/h3\u003e\u003cp\u003eWhen applied correctly, you may notice clearer water and a refreshed pool feel. The product is formulated to release available chlorine in the 5–10 ppm range during shock dosing, helping address temporary algae or contaminants after heavy use or adverse weather events.\u003c\/p\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOpen the bag and use the entire contents after opening.\u003c\/li\u003e\n\u003cli\u003eFor best dispersion, broadcast evenly over a wide area in the deepest section of your pool.\u003c\/li\u003e\n\u003cli\u003eRun the pool filter during application and wait about 30 minutes for dispersal.\u003c\/li\u003e\n\u003cli\u003eAfter application, test free available chlorine with a reliable test kit and follow label directions for any follow-up treatments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDosing guidelines and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne bag treats up to 10,000 gallons of water; this provides 5–10 ppm available chlorine when used for shock treatment.\u003c\/li\u003e\n\u003cli\u003eMaintain water balance: pH 7.2–7.6, total alkalinity 60–120, and calcium hardness above 200 ppm.\u003c\/li\u003e\n\u003cli\u003eRegularly test and adjust with compatible pool care products to support swimmer comfort and water clarity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eQuality and safety notes: Do not enter the pool until the free chlorine residual is within 1–4 ppm for each treatment period, and follow label directions for any additional dosing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use DryTec 1-1901 Calcium Hypochlorite Pool Shock?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Add as directed during evening hours with the filter running; broadcast over deep water to cover the pool evenly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What water balance should I maintain when using this product?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Keep pH 7.2–7.6, TA 60–120, and calcium hardness above 200 ppm; test regularly and adjust with compatible pool care products.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DryTec","offers":[{"title":"Default Title","offer_id":48185082380532,"sku":"B009S85LEA","price":20.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/drytec-1-1901-calcium-hypochlorite-pool-shock-bag.jpg?v=1778380304","url":"https:\/\/www.cerapatiogarden.com\/products\/drytec-1-1901-calcium-hypochlorite-pool-shock-1-pound-fast-acting-pool-sanitizer","provider":"Cera Garden","version":"1.0","type":"link"}