{"product_id":"drytec-1-1901-12-calcium-hypochlorite-pool-shock-12-pack-1-lb-bags","title":"DryTec 1-1901-12 Calcium Hypochlorite Pool Shock — 12 Pack, 1 lb Bags","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eDryTec 1-1901-12 Calcium Hypochlorite Pool Shock comes in a convenient 12-pack of 1-pound bags, designed for regular maintenance and quick restoration of water clarity. The formula delivers high‑quality available chlorine to help restore balance after routine use, weather or heavy bather load. With portion-controlled packaging, you can dose with confidence while keeping pool care simple and approachable for many backyard setups.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eCalcium hypochlorite acts as a strong sanitizer to help maintain clear, inviting water. For best results, add the product during evening hours while the pool filter is running to promote even dispersion. Broadcast the granules over the deepest area of the pool to encourage even mixing. If granules settle, gently brush them to help dissolution and distribution.\u003c\/p\u003e\n\u003ch3\u003eUsage and dosing guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne bag per 10,000 gallons provides 5–10 ppm of available chlorine, supporting routine chlorination goals.\u003c\/li\u003e\n  \u003cli\u003eKeep water balance in check: pH 7.2–7.6; total alkalinity 60–120; calcium hardness above 200 ppm.\u003c\/li\u003e\n  \u003cli\u003eAllow about 30 minutes for dispersal after application, then test free available chlorine with a pool test kit.\u003c\/li\u003e\n  \u003cli\u003eDo not enter the pool until the chlorine residual is 1–4 ppm for the treated water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOpening, routine, and shock treatment guidance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpening your pool:\u003c\/strong\u003e Begin with balanced water, then follow shock treatment directions as needed. Maintain pH in the 7.2–7.6 range during treatment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoutine chlorination:\u003c\/strong\u003e Throughout the season, monitor and maintain pH at 7.2–7.6 and track available chlorine with a suitable test kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShock treatment \/ superchlorination:\u003c\/strong\u003e Every 7 days, or as conditions require, add one bag per 10,000 gallons to achieve 5–10 ppm available chlorine. More treatments may be necessary after algae, heavy usage, wind, or storms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy choose this DryTec product\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e12-pack of easy-to-use, 1-pound bags for predictable dosing and reduced guesswork.\u003c\/li\u003e\n  \u003cli\u003e68% calcium hypochlorite formula designed for quick sanitizing action.\u003c\/li\u003e\n  \u003cli\u003eClear guidelines for water balance help support swimmer comfort and water clarity.\u003c\/li\u003e\n  \u003cli\u003eLabel directions and testing recommendations promote consistent, monitored treatment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFollowing the label directions and using a reliable test kit can help you manage routine maintenance with a straightforward approach. This product is designed to be one part of a broader pool care routine, offering a practical way to refresh water between more intensive treatments when needed.\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 many gallons of water does one DryTec bag treat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One bag treats about 10,000 gallons, delivering 5 to 10 ppm available chlorine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: When should I shock my pool with DryTec?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Shock treatment is typically done in the evening with the pump running; allow 30 minutes to disperse.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DryTec","offers":[{"title":"Default Title","offer_id":45739002495162,"sku":"B00U2NORTU","price":166.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/drytec-bag-pool-shock-packaging.jpg?v=1774714134","url":"https:\/\/gardencanada.ca\/products\/drytec-1-1901-12-calcium-hypochlorite-pool-shock-12-pack-1-lb-bags","provider":"Garden Canada","version":"1.0","type":"link"}