{"product_id":"bioguard-burnout-73-25-lb-pool-shock","title":"BioGuard® BurnOut®73 – 25lb","description":"\u003ch1 class=\"font-editorial font-bold first:mt-xs mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg leading-[1.5em] lg:text-xl\" id=\"bioguard-burnout-73---25-lb\"\u003eBioGuard Burnout 73 - 25 lb\u003c\/h1\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"bulk-calcium-hypochlorite-pool-shock-for-strong-re\"\u003eBulk Calcium Hypochlorite Pool Shock for Strong, Reliable Water Clarity - Free Shipping.\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eBioGuard Burnout 73 is a high-strength calcium hypochlorite pool shock made to superchlorinate swimming pool water, reduce organic contaminants, and help restore clean, sparkling clarity. This 25 lb size is ideal for pool owners, service routes, and commercial or high-use pools that need a larger supply of dependable chlorine shock for routine maintenance and problem-solving treatments.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eFormulated with 73% calcium hypochlorite, BioGuard Burnout 73 delivers powerful oxidation in a dry granular formula. It helps treat dull, cloudy, or heavily used pool water by breaking down contaminants that can affect water clarity, freshness, and swimmer comfort.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eUse BioGuard Burnout 73 as part of a consistent pool care routine when you need a strong superchlorinating treatment for all pool types.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"key-benefits\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003e\u003cstrong\u003eBulk 25 lb shock size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGreat for frequent pool shocking, service accounts, larger pools, and seasonal maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003e\u003cstrong\u003e73% calcium hypochlorite formula:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides high-strength chlorine shock performance for swimming pool water treatment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003e\u003cstrong\u003eRestores sparkle and clarity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHelps clear dull or cloudy water by reducing organic contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003e\u003cstrong\u003eSuitable for all pool types:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for use in all swimming pools when applied according to label directions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003e\u003cstrong\u003eGranular shock format:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEasy to measure and broadcast into pool water as directed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003e\u003cstrong\u003eSupports routine and corrective care:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUseful for weekly shocking, heavy swimmer load, hot weather, rain recovery, and water clarity issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003e\u003cstrong\u003eBioGuard system compatible:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCan be used with the BioGuard 3-Step Care System.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"product-details\"\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv class=\"group relative my-[1em]\"\u003e\n\u003cdiv class=\"sticky top-0 z-10 h-0\" aria-hidden=\"true\"\u003e\n\u003cdiv class=\"w-full overflow-hidden bg-raised border-x md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"w-full overflow-auto scrollbar-subtle rounded-lg border md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-raised\"\u003e\n\u003ctable class=\"[\u0026amp;_tr:last-child_td]:border-b-0 my-0 w-full table-auto border-separate border-spacing-0 text-sm font-sans rounded-lg [\u0026amp;_tr:last-child_td:first-child]:rounded-bl-lg [\u0026amp;_tr:last-child_td:last-child]:rounded-br-lg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eProduct Attribute\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBrand\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBioGuard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBioGuard Burnout 73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSize\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e25 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eUPC\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e017541667760\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eGranular chlorine pool shock and superchlorinator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eActive Ingredient\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eCalcium Hypochlorite 73%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eOther Ingredients\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e27%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eStandard Treatment Rate\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e1 lb per 16,500 gallons of pool water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eEstimated Total Treatment Capacity\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eUp to 412,500 gallons total across multiple treatments, based on 1 lb per 16,500 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003ePool Compatibility\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSuitable for all pool types\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eUse Case\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSuperchlorination, pool shocking, water clarity restoration, organic contaminant reduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eCare System Compatibility\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBioGuard 3-Step Care System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eApplication Method\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBroadcast over the deep end of the pool while pump is running\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eContainer Type\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBulk 25 lb bucket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"compatibility-and-requirements\"\u003eCompatibility and Requirements\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eBioGuard Burnout 73 is intended for swimming pool shock treatment and is suitable for all pool types when used as directed. The 25 lb bucket is a strong fit for users who shock frequently, maintain larger pools, or want a bulk supply of calcium hypochlorite shock available throughout the season.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eBefore application, test and balance pool water. Adjust pH to the recommended range before shocking, keep the pump and filter running, and apply the product at night or when the pool is not in use. Do not swim until the free chlorine residual has dropped to 4 ppm or less, as confirmed by a suitable pool test kit.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"how-to-use\"\u003eHow to Use\u003c\/h2\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"routine-shock-treatment\"\u003eRoutine Shock Treatment\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eApply BioGuard Burnout 73 at a rate of 1 lb per 16,500 gallons of pool water, or as directed by the product label. Broadcast the granules evenly over the deep end of the pool while the pump is running.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"when-to-use\"\u003eWhen to Use\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eUse for regular pool shocking, especially after heavy pool use, high temperatures, rain, cloudy water, or visible loss of sparkle. For best results, apply at night or when the pool is not in use so the treatment can circulate before swimming resumes.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"safety-and-handling-notes\"\u003eSafety and Handling Notes\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eNever add water directly to this product. If dissolving is required by the label, always add product to a large amount of water, never water to product. Do not mix with other chemicals. Keep the pump and filter operating after application, and do not re-enter the pool until free chlorine is 4 ppm or less.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"frequently-asked-questions\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"what-is-bioguard-burnout-73-used-for\"\u003eWhat is BioGuard Burnout 73 used for?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eBioGuard Burnout 73 is used to shock and superchlorinate swimming pool water. It helps reduce organic contaminants and restore pool water sparkle and clarity.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"how-much-water-does-the-25-lb-size-treat\"\u003eHow much water does the 25 lb size treat?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eAt the standard rate of 1 lb per 16,500 gallons, a 25 lb bucket provides up to 412,500 gallons of total treatment across multiple applications.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"what-is-the-active-ingredient\"\u003eWhat is the active ingredient?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eBioGuard Burnout 73 contains 73% calcium hypochlorite.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"is-this-a-good-option-for-frequent-pool-maintenanc\"\u003eIs this a good option for frequent pool maintenance?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eYes. The 25 lb bulk size is well suited for pool owners or service professionals who need multiple shock treatments available for ongoing maintenance.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"can-bioguard-burnout-73-be-used-in-all-pool-types\"\u003eCan BioGuard Burnout 73 be used in all pool types?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003eYes. It is listed as suitable for all pool types when used according to the product label directions\u003c\/p\u003e","brand":"Hot Tub Pirate","offers":[{"title":"Default Title","offer_id":47931818279099,"sku":"22925BIO","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0269\/2625\/2077\/files\/BioGuardBurnout7325lbbucketcalciumhypochloritepoolshockforrestoringswimmingpoolclarity.jpg?v=1780850682","url":"https:\/\/hottubpirate.com\/products\/bioguard-burnout-73-25-lb-pool-shock","provider":"Hot Tub Pirate","version":"1.0","type":"link"}