{"product_id":"cal-shock-calcium-hypochlorite-fast-acting-5-lb-8-per-case-first-choice","title":"Cal-Shock Calcium Hypochlorite | Fast Acting | 5 lb | 8 Per Case | First Choice","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eFirst Choice Cal-Shock\u003c\/strong\u003e quickly raises chlorine levels and clears cloudy water, helping you restore safe, inviting pool conditions with less guesswork. Packaged as a 5 lb pail (8 per case), it delivers a practical, reliable shock treatment that keeps pool maintenance straightforward for pros and DIY enthusiasts alike.\u003c\/p\u003e \u003cp\u003eUse Cal-Shock after heavy swimming, following heavy rainfall, or whenever your pool needs a reset. It's designed to work quickly with standard pool sanitizers, delivering noticeable water clarity after disturbances. By restoring sanitizer effectiveness and clarifying the water, it reduces trial-and-error treatments and gets your pool ready for swimmers faster.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eRapid chlorine boost to restore proper sanitization\u003c\/li\u003e\n\u003cli\u003eConverts cloudy water into clearer, more inviting swimming water\u003c\/li\u003e\n\u003cli\u003e5 lb pail design, 8 per case for household or commercial use\u003c\/li\u003e\n\u003cli\u003eSimple application aligned with label directions for best results\u003c\/li\u003e\n\u003cli\u003eIdeal for frequent pool use, post-storm cleanup, or seasonal resets\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKeep your pool in prime condition with First Choice Cal-Shock—add it to your cart and enjoy clearer water sooner.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Allchem Performance Products","offers":[{"title":"Default Title","offer_id":48475640201459,"sku":"FCHF022005040FC","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7101\/1571\/files\/FCHF022005040FC_0.jpg?v=1771477886","url":"https:\/\/everklearpoolsupply.com\/products\/cal-shock-calcium-hypochlorite-fast-acting-5-lb-8-per-case-first-choice","provider":"Ever-Klear Pool Supply","version":"1.0","type":"link"}