{"product_id":"spapure-2-lb-chlorine-granular","title":"SpaPure Chlorinating Granules 2 lb Spa Chlorine Sanitizer C002311-CS20B2","description":"\n\u003cstyle\u003e\n  .spgran-wrap, .spgran-wrap * { box-sizing: border-box; }\n  .spgran-wrap {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #1a1a1a;\n    line-height: 1.55;\n  }\n\n  \/* Header *\/\n  .spgran-header {\n    border-left: 5px solid #0066cc;\n    padding: 4px 0 4px 16px;\n    margin-bottom: 20px;\n  }\n  .spgran-header h2 {\n    margin: 0;\n    color: #0066cc;\n    font-size: 1.55em;\n    font-weight: 700;\n    letter-spacing: -0.01em;\n  }\n  .spgran-subtitle {\n    margin: 4px 0 0;\n    color: #666;\n    font-size: 0.95em;\n  }\n\n  \/* Intro *\/\n  .spgran-intro {\n    margin: 0 0 24px;\n    color: #333;\n    font-size: 0.98em;\n  }\n\n  \/* Section heading *\/\n  .spgran-section { margin-bottom: 28px; }\n  .spgran-section-heading {\n    background: #0066cc;\n    color: #fff;\n    font-size: 0.85em;\n    font-weight: 700;\n    letter-spacing: 0.08em;\n    text-transform: uppercase;\n    padding: 6px 12px;\n    margin: 0 0 0;\n    border-radius: 4px 4px 0 0;\n  }\n\n  \/* Spec table *\/\n  .spgran-spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.93em;\n    background: #fff;\n    border: 1px solid #d8dde6;\n    border-top: none;\n    border-radius: 0 0 4px 4px;\n    overflow: hidden;\n  }\n  .spgran-spec-table tr { border-bottom: 1px solid #eef1f6; }\n  .spgran-spec-table tr:nth-child(even) { background: #fafbfd; }\n  .spgran-spec-table tr:last-child { border-bottom: none; }\n  .spgran-spec-table th,\n  .spgran-spec-table td {\n    text-align: left;\n    padding: 8px 14px;\n    vertical-align: top;\n  }\n  .spgran-spec-table th {\n    font-weight: 600;\n    color: #4a4a4a;\n    width: 38%;\n  }\n  .spgran-spec-table td {\n    color: #1a1a1a;\n    font-family: ui-monospace, \"SF Mono\", Menlo, Consolas, monospace;\n    font-size: 0.92em;\n  }\n\n  \/* Compatibility list *\/\n  .spgran-compat-list {\n    margin: 0;\n    padding: 14px 16px 14px 32px;\n    background: #fff;\n    border: 1px solid #d8dde6;\n    border-top: none;\n    border-radius: 0 0 4px 4px;\n    list-style: square;\n    color: #1a1a1a;\n    font-size: 0.95em;\n  }\n  .spgran-compat-list li { padding: 2px 0; }\n  .spgran-compat-list li::marker { color: #0066cc; }\n\n  \/* Cross-reference chip list *\/\n  .spgran-chips {\n    padding: 14px;\n    background: #fff;\n    border: 1px solid #d8dde6;\n    border-top: none;\n    border-radius: 0 0 4px 4px;\n    display: flex;\n    flex-wrap: wrap;\n    gap: 8px;\n  }\n  .spgran-chip {\n    background: #f0f3f8;\n    border: 1px solid #d8dde6;\n    color: #0066cc;\n    padding: 5px 12px;\n    border-radius: 4px;\n    font-family: ui-monospace, \"SF Mono\", Menlo, Consolas, monospace;\n    font-size: 0.88em;\n    font-weight: 600;\n  }\n\n  \/* Notes \/ FAQ *\/\n  .spgran-notes {\n    padding: 14px;\n    background: #fff;\n    border: 1px solid #d8dde6;\n    border-top: none;\n    border-radius: 0 0 4px 4px;\n  }\n  .spgran-note-item { padding: 8px 0; border-bottom: 1px solid #eef1f6; }\n  .spgran-note-item:last-child { border-bottom: none; }\n  .spgran-note-q { font-weight: 600; color: #0066cc; margin: 0 0 3px; font-size: 0.95em; }\n  .spgran-note-a { margin: 0; color: #333; font-size: 0.93em; }\n\n  \/* Footer *\/\n  .spgran-footer {\n    border-top: 1px solid #d8dde6;\n    padding-top: 12px;\n    margin-top: 24px;\n    text-align: center;\n    color: #555;\n    font-size: 0.88em;\n  }\n  .spgran-footer .spgran-dot {\n    color: #0066cc;\n    margin: 0 8px;\n    font-weight: 700;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"spgran-wrap\"\u003e\n\n  \u003cheader class=\"spgran-header\"\u003e\n    \u003ch2\u003eSpaPure Chlorinating Granules 2 lb Spa Chlorine Sanitizer\u003c\/h2\u003e\n    \u003cp class=\"spgran-subtitle\"\u003eFast acting sanitizer and shock in one.\u003c\/p\u003e\n  \u003c\/header\u003e\n\n  \u003cp class=\"spgran-intro\"\u003e\u003cstrong\u003eSpaPure Chlorinating Granules\u003c\/strong\u003e (MPN \u003cstrong\u003eC002311-CS20B2\u003c\/strong\u003e, SKU PST-SPA2311CS20B2) is a concentrated granular chlorine sanitizer in a 2 lb container, built for the small water volume and high temperature of a spa. The granules dissolve quickly and go completely into solution, so tiny doses disinfect day to day and larger doses shock the water back to clear. One container covers routine sanitizing and shock treatment.\u003c\/p\u003e\n\n  \n    \n    \u003csection class=\"spgran-section\"\u003e\n      \u003cdiv class=\"spgran-section-heading\"\u003eProduct\u003c\/div\u003e\n      \u003ctable class=\"spgran-spec-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSpaPure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eHaviland Consumer Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Name\u003c\/th\u003e\n\u003ctd\u003eChlorinating Granules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eC002311-CS20B2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePST SKU\u003c\/th\u003e\n\u003ctd\u003ePST-SPA2311CS20B2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e025551312402\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContainer Size\u003c\/th\u003e\n\u003ctd\u003e2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eSpa and hot tub chemicals\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/section\u003e\n    \n    \u003csection class=\"spgran-section\"\u003e\n      \u003cdiv class=\"spgran-section-heading\"\u003eChemistry\u003c\/div\u003e\n      \u003ctable class=\"spgran-spec-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003cth\u003eActive Ingredient\u003c\/th\u003e\n\u003ctd\u003eSodium dichloro-s-triazinetrione dihydrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConcentration\u003c\/th\u003e\n\u003ctd\u003e97.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOther Ingredients\u003c\/th\u003e\n\u003ctd\u003e3.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChlorine Type\u003c\/th\u003e\n\u003ctd\u003eStabilized dichlor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePhysical Form\u003c\/th\u003e\n\u003ctd\u003eFree flowing white granules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSolubility\u003c\/th\u003e\n\u003ctd\u003eFully soluble, no pre-dissolving required\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/section\u003e\n    \n    \u003csection class=\"spgran-section\"\u003e\n      \u003cdiv class=\"spgran-section-heading\"\u003eDosing and Water Balance\u003c\/div\u003e\n      \u003ctable class=\"spgran-spec-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003cth\u003eInitial Dose\u003c\/th\u003e\n\u003ctd\u003e1 teaspoon per 500 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaintenance Dose\u003c\/th\u003e\n\u003ctd\u003e1\/2 teaspoon per 500 gallons when free chlorine drops to 1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFree Chlorine Target\u003c\/th\u003e\n\u003ctd\u003e1 to 3 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003epH Range\u003c\/th\u003e\n\u003ctd\u003e7.2 to 7.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunctions\u003c\/th\u003e\n\u003ctd\u003eRoutine sanitizing and shock treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDirections\u003c\/th\u003e\n\u003ctd\u003eRead the container label for full directions for use\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/section\u003e\n    \n    \u003csection class=\"spgran-section\"\u003e\n      \u003cdiv class=\"spgran-section-heading\"\u003eShipping\u003c\/div\u003e\n      \u003ctable class=\"spgran-spec-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e2.4 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Dimensions\u003c\/th\u003e\n\u003ctd\u003e5.0 in x 5.0 in x 6.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/section\u003e\n    \n  \n\n  \n  \u003csection class=\"spgran-section\"\u003e\n    \u003cdiv class=\"spgran-section-heading\"\u003eCompatibility\u003c\/div\u003e\n    \u003cul class=\"spgran-compat-list\"\u003e\n      \u003cli\u003ePortable acrylic spas and hot tubs\u003c\/li\u003e\n\u003cli\u003eSwim spas and in-ground spas\u003c\/li\u003e\n\u003cli\u003eChlorine based spa sanitizer programs\u003c\/li\u003e\n\u003cli\u003eRoutine sanitizing between uses\u003c\/li\u003e\n\u003cli\u003eShock dosing after heavy bather load\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n  \n\n  \n  \u003csection class=\"spgran-section\"\u003e\n    \u003cdiv class=\"spgran-section-heading\"\u003eCross-References\u003c\/div\u003e\n    \u003cdiv class=\"spgran-chips\"\u003e\n      \u003cspan class=\"spgran-chip\"\u003eC002311-CS20B2\u003c\/span\u003e\u003cspan class=\"spgran-chip\"\u003ePST-SPA2311CS20B2\u003c\/span\u003e\u003cspan class=\"spgran-chip\"\u003e025551312402\u003c\/span\u003e\u003cspan class=\"spgran-chip\"\u003eC002311-CS20P5 (1 lb size)\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n  \n\n  \n  \u003csection class=\"spgran-section\"\u003e\n    \u003cdiv class=\"spgran-section-heading\"\u003eNotes\u003c\/div\u003e\n    \u003cdiv class=\"spgran-notes\"\u003e\n      \n      \u003cdiv class=\"spgran-note-item\"\u003e\n        \u003cp class=\"spgran-note-q\"\u003eHow much do I add to my spa?\u003c\/p\u003e\n        \u003cp class=\"spgran-note-a\"\u003eStart with \u003cstrong\u003e1 teaspoon per 500 gallons\u003c\/strong\u003e, then add about \u003cstrong\u003e1\/2 teaspoon per 500 gallons\u003c\/strong\u003e whenever free chlorine drops to 1 ppm. Hold a residual of \u003cstrong\u003e1 to 3 ppm\u003c\/strong\u003e and keep pH between \u003cstrong\u003e7.2 and 7.6\u003c\/strong\u003e. The container label carries the full directions for use, so read it before your first dose.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \n      \u003cdiv class=\"spgran-note-item\"\u003e\n        \u003cp class=\"spgran-note-q\"\u003eHow does the 2 lb size compare to the 1 lb?\u003c\/p\u003e\n        \u003cp class=\"spgran-note-a\"\u003eSame granules and the same dose rates, just a larger container. The 2 lb jar (C002311-CS20B2) goes further between reorders if you run your spa year round, while the 1 lb jar (C002311-CS20P5) suits seasonal use or a smaller tub.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \n      \u003cdiv class=\"spgran-note-item\"\u003e\n        \u003cp class=\"spgran-note-q\"\u003eHow should I handle and store it?\u003c\/p\u003e\n        \u003cp class=\"spgran-note-a\"\u003eBroadcast the granules straight into the water with the circulation pump running, then leave the cover off until the chlorine level settles back into range before anyone gets in. Store the container closed in a cool, dry spot away from other chemicals, and never mix these granules with any other chemical in a container, scoop, or feeder.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \n    \u003c\/div\u003e\n  \u003c\/section\u003e\n  \n\n  \u003cfooter class=\"spgran-footer\"\u003e\n    Authorized SpaPure Dealer\u003cspan class=\"spgran-dot\"\u003e•\u003c\/span\u003eFactory Sealed Container\u003cspan class=\"spgran-dot\"\u003e•\u003c\/span\u003eFree Shipping\u003cspan class=\"spgran-dot\"\u003e•\u003c\/span\u003eExpert Support\n  \u003c\/footer\u003e\n\n\u003c\/div\u003e\n","brand":"Haviland Consumer Products","offers":[{"title":"Default Title","offer_id":44463156854849,"sku":"PST-SPA2311CS20B2","price":36.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/2026-08-23at11.43.50PM.png?v=1787543069","url":"https:\/\/www.pstpoolsupplies.com\/products\/spapure-2-lb-chlorine-granular","provider":"PST Pool Supplies","version":"1.0","type":"link"}