{"product_id":"bioguard-basic-shock-quick-dissolving-granular-pool-shock-5-lb","title":"BioGuard Basic Shock 5 lb","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-basic-shock---quick-dissolving-granular-p\"\u003eBioGuard Basic Shock - Quick-Dissolving Granular Pool Shock 5 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=\"fast-dissolving-chlorine-pool-shock-for-clear-heal\"\u003eFast-Dissolving Chlorine Pool Shock for Clear, Healthy Water\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBioGuard Basic Shock is a quick-dissolving granular chlorine pool shock made for pool owners who want straightforward, effective water treatment without unnecessary additives. This 5 lb size gives you a larger supply for routine shocking, algae treatment support, and water clarity maintenance throughout the swim season.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDesigned as a fast-dissolving granular trichlor shock, BioGuard Basic Shock helps eliminate contaminants, kill and prevent bacteria and algae, and restore clear pool water. It is a practical choice for weekly pool maintenance, post-rain treatment, heavy swimmer use, hot weather, or any time your pool needs an extra chlorine boost.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis formula is positioned as a basic, value-focused shock option within the BioGuard pool care lineup. It can be used with the BioGuard 3-Step Pool Care System and is suitable for all pool types when used according to label directions.\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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eQuick-dissolving granular shock\u003c\/strong\u003e: Dissolves quickly for fast 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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e5 lb larger-size supply\u003c\/strong\u003e: Convenient for multiple treatments and ongoing 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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHelps restore water clarity\u003c\/strong\u003e: Supports clearer water by treating contaminants that can cause dull or cloudy pool conditions.\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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eKills and helps prevent bacteria and algae\u003c\/strong\u003e: Provides essential chlorine shock treatment for cleaner pool water.\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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eNo pre-dissolving needed\u003c\/strong\u003e: Designed for direct application 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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eSuitable for all pool types\u003c\/strong\u003e: A versatile pool shock for regular swimming pool care.\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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eBioGuard 3-Step compatible\u003c\/strong\u003e: Can be used as Step 2 in the BioGuard 3-Step Pool Care System.\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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eStraightforward formula\u003c\/strong\u003e: A practical option for shoppers who want basic chlorine shock performance without premium add-ons.\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\"\u003eDetail\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\"\u003eInformation\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\"\u003eBasic Shock\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\"\u003e5 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\"\u003e017541666725\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\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\"\u003eChemical 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 trichlor shock\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\"\u003eTrichloro-s-triazinetrione\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 Strength\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e43.47%\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\"\u003e56.53%\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\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eAdd directly to pool water according to label directions\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\"\u003eBest For\u003c\/td\u003e\n\u003ctd class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eWeekly shocking, algae treatment support, contaminant removal, and water clarity\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\"\u003eSystem 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 Pool Care System\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)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBioGuard Basic Shock is intended for swimming pool shock treatment and regular pool maintenance. It is suitable for all pool types when used as directed, but always follow the label on your specific package and consider your pool surface, equipment, and current water chemistry before application.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDo not pre-dissolve unless your specific product label says otherwise. Do not apply through a skimmer or chemical feeder, and never mix with other pool chemicals. To help prevent surface damage, brush away any undissolved granules that settle on the pool floor.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAlways test chlorine levels before swimming. Do not enter treated pool water until chlorine levels are within the safe range stated on the product label.\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-pool-shocking\"\u003eRoutine Pool Shocking\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAdd BioGuard Basic Shock at the label-directed rate for your pool volume. Published directions for BioGuard Basic Shock commonly reference 1 lb per 12,000 gallons of pool water for shock treatment.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eApply into the deepest pool area according to directions, then operate the pump and filter continuously after treatment. For best results, shock weekly and reapply after heavy pool use, high temperatures, or rainfall.\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=\"algae-treatment\"\u003eAlgae Treatment\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBrush pool surfaces before treatment, especially in areas with visible algae growth. Apply the product directly to the pool water in the affected areas according to label directions, then circulate and filter as directed. Do not swim until the free available chlorine residual is back within the proper range.\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=\"pool-closing\"\u003ePool Closing\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFor pool closing, backwash the filter according to manufacturer directions before treatment. Published instructions reference a stronger closing dose than routine shocking, so follow the product label carefully and use the appropriate winter algaecide after shock treatment when closing the pool.\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=\"why-choose-the-5-lb-size\"\u003eWhy Choose the 5 lb Size?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe 5 lb size is a practical step up from single 1 lb bags for pool owners who shock regularly. It gives you more product on hand for weekly maintenance, cloudy water recovery, post-storm treatment, and algae prevention support without needing to purchase individual bags for every use.\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=\"faqs\"\u003eFAQs\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=\"is-bioguard-basic-shock-a-chlorine-pool-shock\"\u003eIs BioGuard Basic Shock a chlorine pool shock?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eYes. BioGuard Basic Shock is a granular trichlor chlorine shock for swimming pool treatment.\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-bioguard-basic-shock-should-i-use\"\u003eHow much BioGuard Basic Shock should I use?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePublished directions commonly reference 1 lb per 12,000 gallons for routine shock treatment. Always follow the label on your specific package and adjust based on pool volume and water conditions.\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=\"do-i-need-to-pre-dissolve-it\"\u003eDo I need to pre-dissolve it?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eNo. BioGuard Basic Shock is described as quick-dissolving with no need to pre-dissolve. Always follow your product label for safe handling and application.\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-i-use-this-through-a-skimmer-or-chemical-feede\"\u003eCan I use this through a skimmer or chemical feeder?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eNo. Published directions state not to apply BioGuard Basic Shock through a skimmer or chemical feeder.\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-can-swimmers-re-enter-the-pool\"\u003eWhen can swimmers re-enter the pool?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTest chlorine before swimming. Published directions state that re-entry is prohibited when chlorine is above 4 ppm and that swimmers should wait until the free available chlorine residual is within the proper range.\u003c\/p\u003e","brand":"Hot Tub Pirate","offers":[{"title":"Default Title","offer_id":47874690023611,"sku":"23005BIO","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0269\/2625\/2077\/files\/BioGuardBasicShock5lbquick-dissolvinggranularchlorinepoolshockforswimmingpoolwatertreatment.jpg?v=1779751290","url":"https:\/\/hottubpirate.com\/products\/bioguard-basic-shock-quick-dissolving-granular-pool-shock-5-lb","provider":"Hot Tub Pirate","version":"1.0","type":"link"}