{"product_id":"dohenys-super-pool-shock-68-cal-hypo-fast-pro-grade-chlorine","title":"Doheny's Super Pool Shock 68% Cal-Hypo - Fast, Pro-Grade Chlorine","description":"\u003cp\u003eIn this review of Doheny's Super Pool Shock, the bottom line is simple: it is a practical, pro-grade shock for pool owners who want a fast, high-chlorine treatment without complicated measuring. Packaged as two 25 lb buckets of pre-measured 1 lb bags, this product is aimed at people who need to clear algae, bacteria, and cloudy water quickly and reliably. The single biggest reason to buy is the 68% calcium hypochlorite formulation, which supplies a strong, long-lasting dose of available chlorine to restore and maintain clean pool water.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh chlorine strength:\u003c\/strong\u003e The 68% calcium hypochlorite formula delivers a powerful 65% available chlorine level for rapid sanitizing and algae kill.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast-acting shock:\u003c\/strong\u003e Designed to instantly boost chlorine levels, it helps remove contaminants and speed up water clarity recovery after treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient packaging:\u003c\/strong\u003e Pre-measured 1 lb bags make dosing straightforward and reduce the risk of over- or under-treating the pool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosage guidance:\u003c\/strong\u003e The recommended 1 lb per 10,000 gallons is easy to follow, with 2-3 doses suggested for spring openings or heavy algae blooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted supplier:\u003c\/strong\u003e From a family-owned company with decades in pool supplies, the product aims to be a dependable routine shock option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product suits backyard pool owners, maintenance professionals, and anyone managing seasonal openings who need a strong, reliable granular chlorine shock. It is especially useful for pools showing visible algae or cloudy water where a quick, high-strength oxidizing treatment is required.\u003c\/p\u003e\n\u003cp\u003eThose with vinyl-lined or fiberglass pools who prefer alternatives that specifically call out compatibility can find other formulas, and buyers who need a non-chlorine oxidizer for combined maintenance may want to pair this shock with an oxidizing treatment rather than rely on it alone.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh available chlorine content provides effective sanitizing and algae control.\u003c\/li\u003e\n\u003cli\u003ePre-measured 1 lb bags simplify application and reduce dosing errors.\u003c\/li\u003e\n\u003cli\u003eWorks as a primary shock treatment for routine and heavy-duty use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report variable dissolve speed, so complete dissolution may require monitoring and agitation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eDoheny's Super Pool Shock 68% Cal-Hypo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive ingredient\u003c\/td\u003e\n\u003ctd\u003eCalcium hypochlorite (68%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable chlorine\u003c\/td\u003e\n\u003ctd\u003eApproximately 65%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage weight\u003c\/td\u003e\n\u003ctd\u003e50 lb total (2 x 25 lb buckets)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003ePre-measured 1 lb bags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended dose\u003c\/td\u003e\n\u003ctd\u003e1 lb per 10,000 gallons (2-3 doses for heavy algae)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eDoheny's Super Pool Shock is a straightforward, high-strength calcium hypochlorite shock that delivers strong sanitizing power and convenient pre-measured bags, making it good value for routine and emergency pool shock treatments. It is best for owners who need rapid chlorine top-ups and reliable algae control, though users should allow time for full dissolution in some conditions.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow much should I use for regular shock?\u003c\/strong\u003e\u003cbr\u003eUse 1 lb per 10,000 gallons as a standard dose; repeat 2-3 times for spring openings or heavy algae.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this safe for vinyl and fiberglass pools?\u003c\/strong\u003e\u003cbr\u003eCal-hypo is effective for many pool types, but if you have specific surface concerns, follow manufacturer guidance for your pool finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the bags dissolve quickly?\u003c\/strong\u003e\u003cbr\u003eMany customers report fast dissolve, but some note variability; agitating water and dissolving in a bucket first can help ensure full dispersion.\u003c\/p\u003e","brand":"Doheny's","offers":[{"title":"Default Title","offer_id":48248072077531,"sku":"B07ZDMNHFS","price":264.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61WqTIEEFFL._AC_SL1500_3d0f0b6d-a30b-4790-9734-8e295a14a516.jpg?v=1770976672","url":"https:\/\/gearmusthave.com\/products\/dohenys-super-pool-shock-68-cal-hypo-fast-pro-grade-chlorine","provider":"GearMustHave","version":"1.0","type":"link"}