{"product_id":"hth-plus-granule-cal-shock-25-lb-capacity","title":"HTH Plus Granule Cal-Shock 25 lb. capacity","description":"\u003cdiv\u003e\n\u003cp\u003eHTH Plus Granule Cal-Shock 25 lb container is a fast-acting granular chlorine shock designed for residential pools. This calcium-hypochlorite (Cal-Shock) formula from HTH Plus delivers a reliable chlorine boost when your water needs it most, helping you quickly restore clear, sanitized water after heavy use, rain, or algae pressure.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGranular Cal-Shock formula\u003c\/strong\u003e: calcium-hypochlorite granules crafted to deliver a strong, rapid sanitizing dose for pool water.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e25-lb container\u003c\/strong\u003e: a large capacity that keeps your pool stocked for multiple shock treatments across the season.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePool-focused use\u003c\/strong\u003e: specifically formulated for pool sanitation and shock treatments, compatible with standard test kits and routine maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand\u003c\/strong\u003e: HTH Plus, a longtime name in pool chemistry, backing each shock with consistent results you can rely on.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical usage tips\u003c\/strong\u003e: follow label directions for dosing, distribute evenly around the pool, and avoid pouring undissolved granules directly into the water to protect surfaces and fixtures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for pool owners seeking a straightforward, effective shock solution that quickly raises sanitizer levels and improves water clarity after heavy use, rain events, or cloudy conditions. This 25-lb cal-shock is a practical, ready-to-use option that integrates smoothly with regular testing and balancing routines to keep your pool inviting all season.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTest water before and after shocking to ensure chlorine and pH stay within recommended ranges.\u003c\/li\u003e \u003cli\u003eStore in a cool, dry place; keep the container sealed to preserve potency.\u003c\/li\u003e \u003cli\u003ePractice standard pool chemical safety and keep children and pets away from spill areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hth","offers":[{"title":"Default Title","offer_id":52274878218514,"sku":"8136562","price":139.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/8136562_A.eps_High.jpg?v=1778869743","url":"https:\/\/nationalhardwaregroup.com\/products\/hth-plus-granule-cal-shock-25-lb-capacity","provider":"National Hardware Group","version":"1.0","type":"link"}