{"product_id":"drytec-1-1901-calcium-hypochlorite-pool-shock-1-pound-bag","title":"DryTec 1-1901 Calcium Hypochlorite Pool Shock – 1-Pound Bag","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eKeep pool water clear and inviting with DryTec 1-1901 Calcium Hypochlorite Pool Shock. This high‑purity formula is designed for quick disruption of contaminants and algae, delivering reliable sanitizing power when used as directed. The 1‑pound bag is compact to store and easy to handle for residential pools.\u003c\/p\u003e\n\u003cp\u003eDesigned for both routine chlorination and periodic shock treatment, this product disperses quickly to maximize coverage, especially in the deepest areas of the pool. When dosed per the guidelines, one bag per 10,000 gallons provides the chlorine boost you need to maintain water that looks and feels clean. Pair it with a trusted test kit and follow the water balance steps to support swimmer comfort and water clarity.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne bag treats about 10,000 gallons of water for straightforward dosing.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain a pH range of 7.2–7.6 for better swimmer comfort and effective disinfection.\u003c\/li\u003e\n  \u003cli\u003eSupports total alkalinity goals of 60–120, contributing to stable water chemistry during use and weather changes.\u003c\/li\u003e\n  \u003cli\u003eContains 68% calcium hypochlorite for strong disinfecting power with quick activity in the pool.\u003c\/li\u003e\n  \u003cli\u003eClear directions cover opening, routine chlorination, and shock treatment to fit seasonal needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOpen the pool season with balanced water and follow the shock treatment directions on the label.\u003c\/li\u003e\n  \u003cli\u003eBroadcast the product evenly over a wide area in the deepest part of the pool after sunset, with the filter running.\u003c\/li\u003e\n  \u003cli\u003eAllow about 30 minutes for dispersion, then test free available chlorine with a reliable kit.\u003c\/li\u003e\n  \u003cli\u003eRepeat treatment as needed to address problems such as algae, odors, or high bathing loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep calcium hardness above 200 ppm to support water clarity and reduce scale potential.\u003c\/li\u003e\n  \u003cli\u003eUse compatible pool care products to fine tune pH and alkalinity based on test results.\u003c\/li\u003e\n  \u003cli\u003eExpect occasional follow-ups if conditions change due to weather, pool usage, or wind and rain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: The information below describes how the product is intended to be used and the kinds of benefits you may experience when combined with regular pool maintenance. Benefits cited are possibilities, not guarantees, and depend on proper testing and application.\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: What is the recommended dosage for 10,000 gallons?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One 1-lb bag treats about 10,000 gallons and yields 5–10 ppm available chlorine when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: When should I shock the pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Shock treat in the evening, with the filter running, test chlorine after dispersion, and repeat if algae or odors persist.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DryTec","offers":[{"title":"Default Title","offer_id":45740070469818,"sku":"B009S85LEA","price":51.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/drytec-calcium-hypochlorite-pool-shock-1lb-bag.jpg?v=1774759060","url":"https:\/\/gardencanada.ca\/products\/drytec-1-1901-calcium-hypochlorite-pool-shock-1-pound-bag","provider":"Garden Canada","version":"1.0","type":"link"}