{"product_id":"glb-71442a-calcium-hypochlorite-pool-shock-1-lb-fast-acting-pool-sanitizer","title":"GLB 71442A Calcium Hypochlorite Pool Shock – 1 lb | Fast-Acting Pool Sanitizer","description":"\u003cp\u003eGLB SuperSonic Calcium Hypochlorite Pool Shock comes in a convenient 1-pound container and is designed for quick, thorough pool care. It sanitizes the water, clarifies the surface, and helps prevent algae growth between routine cleanings. The formula does not contain cyanuric acid and tends to leave no residue when used as directed.\u003c\/p\u003e\u003ch3\u003eWhat it does\u003c\/h3\u003e\u003cp\u003eThis multi purpose shock treatment works across pool surfaces, delivering rapid sanitization and a clearer appearance. It is a practical option for regular shocking, especially after heavy use or windy days when contaminants can enter the water.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSanitizes pool water for a healthier feel\u003c\/li\u003e\n\u003cli\u003eClarifies cloudy water for a sparkling, inviting look\u003c\/li\u003e\n\u003cli\u003eHelps prevent algae growth with consistent dosing\u003c\/li\u003e\n\u003cli\u003eFast-acting and easy to use with clear dosing guidelines\u003c\/li\u003e\n\u003cli\u003eWorks on all pool surfaces without leaving visible residue\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDosing and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e9 to 18 ounces per 10,000 gallons provides about 5 to 10 ppm available chlorine\u003c\/li\u003e\n\u003cli\u003eTarget pH 7.2 to 7.6 for comfortable water balance\u003c\/li\u003e\n\u003cli\u003eMaintain total alkalinity in the range of 60 to 120\u003c\/li\u003e\n\u003cli\u003eTest water before and after shocking; run filtration during treatment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUsage tips\u003c\/h3\u003e\u003cp\u003eDisperse the product evenly through the circulating system with the pump running. Allow time for filtration and retest before swimming. Store in a cool, dry place and use as part of a regular pool care routine.\u003c\/p\u003e\u003cp\u003eWith its 73 percent calcium hypochlorite formulation, GLB 71442A offers a reliable option for pool owners seeking a straightforward shock treatment that is easy to dose and monitor, without over-stabilizing your water.\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 GLB 71442A Calcium Hypochlorite Pool Shock used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A fast-acting chlorine shock that sanitizes, clarifies, and helps prevent algae in pool water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I dose GLB 71442A for my pool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Add 9–18 oz per 10,000 gallons to reach 5–10 ppm available chlorine; adjust pH to 7.2–7.6 and maintain TA 60–120.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GLB","offers":[{"title":"Default Title","offer_id":45739728666810,"sku":"B005WKVLS8","price":51.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/glb-calcium-hypochlorite-pool-shock-1lb.jpg?v=1774749081","url":"https:\/\/gardencanada.ca\/products\/glb-71442a-calcium-hypochlorite-pool-shock-1-lb-fast-acting-pool-sanitizer","provider":"Garden Canada","version":"1.0","type":"link"}