{"product_id":"drytec-calcium-hypochlorite-shock-treatment-for-pools-24-count-1-lb","title":"DryTec Calcium Hypochlorite Shock Treatment for Pools – 24-Count, 1 lb","description":"\u003cdiv class='\\\"seo-description\\\"'\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eKeep pool water sparkling and comfortable with DryTec 1-1901-24 Calcium Hypochlorite Shock Treatment. This set includes 24 one‑pound bags designed for regular shock dosing, delivering a robust dose of available chlorine to help manage algae, odors, and visible contaminants when used as directed. The formula is 68% calcium hypochlorite, offering fast dispersion and broad sanitizer coverage for mid- to large-size pools. While results depend on ongoing maintenance, many swimmers notice crisper water, steadier clarity, and a calmer pool experience during the season.\u003c\/p\u003e\n  \u003ch3\u003eKey benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOne bag per 10,000 gallons of water provides 5–10 ppm available chlorine when dosed as recommended.\u003c\/li\u003e\n    \u003cli\u003e68% active calcium hypochlorite delivers a strong, quick-acting sanitizer to help manage occasional advisories.\u003c\/li\u003e\n    \u003cli\u003e24 one-pound bags give flexible, easy-to-store dosing for routine maintenance and occasional shocks.\u003c\/li\u003e\n    \u003cli\u003eClear dosing guidance supports both standard chlorination and periodic shock treatments.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eFor best results, pair this product with consistent water balance. Maintain pH in the range of 7.2–7.6, total alkalinity from 60 to 120, and calcium hardness above 200 ppm. Use a reliable test kit to monitor these levels and adjust with compatible pool care products as needed.\u003c\/p\u003e\n  \u003ch3\u003eHow to use\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOpen the bag and use its entire contents when opened.\u003c\/li\u003e\n    \u003cli\u003eWith the pool pump running, broadcast the granules evenly over a wide area in the deepest part of the pool.\u003c\/li\u003e\n    \u003cli\u003eAllow about 30 minutes for dispersion and then retest free available chlorine (FAC) with a pool test kit.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eRoutine and shock dosing\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFor routine chlorination, keep pH at 7.2–7.6 and check chlorine levels regularly.\u003c\/li\u003e\n    \u003cli\u003eShock treatment: add one bag per 10,000 gallons to target 5–10 ppm FAC; repeat as needed, especially after algae, heavy use, wind, or rain.\u003c\/li\u003e\n    \u003cli\u003eDo not enter the pool until FAC is in the 1–4 ppm range for safety.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eNote: Always follow the package directions and use with a compatible test kit and pool care products to support water clarity and swimmer comfort. This product is intended to supplement routine pool care, not replace it.\u003c\/p\u003e\n\u003c\/div\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 much DryTec 1-1901-24 should I use for my pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use one bag per 10,000 gallons to achieve 5–10 ppm available chlorine; adjust as needed based on test results.\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 this product?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Shock treatment is recommended every 7 days or when problems arise; ensure proper dispersion and verify chlorine levels before use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DryTec","offers":[{"title":"Default Title","offer_id":45737617719482,"sku":"B00BGNLUV8","price":278.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/drytec-calcium-hypochlorite-pool-shock-bag-contents.jpg?v=1774627268","url":"https:\/\/gardencanada.ca\/products\/drytec-calcium-hypochlorite-shock-treatment-for-pools-24-count-1-lb","provider":"Garden Canada","version":"1.0","type":"link"}