{"product_id":"frog-serene-mineral-cartridge-sanitizing-systems","title":"King Technology FROG Serene Mineral Cartridge 01-14-3812","description":"\n\u003cstyle\u003e\n  .frogmin-wrap, .frogmin-wrap * { box-sizing: border-box; }\n  .frogmin-wrap {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #1a1a1a;\n    line-height: 1.6;\n  }\n\n  \/* Hero (compact) *\/\n  .frogmin-hero {\n    background: linear-gradient(135deg, #0080ff 0%, #e8f4fa 100%);\n    color: #fff;\n    padding: 36px 32px;\n    border-radius: 14px;\n    text-align: center;\n    margin-bottom: 28px;\n  }\n  .frogmin-hero h1 { font-size: 2em; margin: 0 0 8px; font-weight: 800; letter-spacing: -0.02em; }\n  .frogmin-tagline { font-size: 1.1em; opacity: 0.95; margin: 0 0 18px; }\n  .frogmin-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }\n  .frogmin-badge {\n    background: rgba(255,255,255,0.18);\n    border: 1px solid rgba(255,255,255,0.3);\n    color: #fff;\n    padding: 6px 14px;\n    border-radius: 50px;\n    font-size: 0.85em;\n    font-weight: 600;\n  }\n\n  \/* Intro *\/\n  .frogmin-intro {\n    max-width: 800px;\n    margin: 0 auto 32px;\n    text-align: center;\n    font-size: 1.05em;\n    color: #333;\n  }\n\n  \/* Stat strip *\/\n  .frogmin-stats {\n    background: linear-gradient(135deg, #003a70 0%, #0080ff 100%);\n    color: #fff;\n    border-radius: 14px;\n    padding: 24px;\n    display: grid;\n    grid-template-columns: repeat(5, 1fr);\n    gap: 12px;\n    margin-bottom: 36px;\n  }\n  .frogmin-stat { text-align: center; }\n  .frogmin-stat-value { font-size: 1.5em; font-weight: 800; color: #aedcff; }\n  .frogmin-stat-label { font-size: 0.78em; opacity: 0.85; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 4px; }\n\n  \/* Section headings *\/\n  .frogmin-section { margin-bottom: 36px; }\n  .frogmin-section \u003e h2 { font-size: 1.5em; margin: 0 0 18px; text-align: center; color: #0066cc; }\n\n  \/* Feature card grid *\/\n  .frogmin-feature-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));\n    gap: 16px;\n  }\n  .frogmin-feature-card {\n    background: #fff;\n    border: 1px solid #e1e6ed;\n    border-radius: 12px;\n    padding: 22px;\n    transition: transform 0.2s, box-shadow 0.2s;\n  }\n  .frogmin-feature-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,128,255,0.14); }\n  .frogmin-emoji { font-size: 1.8em; }\n  .frogmin-feature-card h5 { margin: 10px 0 6px; font-size: 1.05em; color: #1a1a1a; }\n  .frogmin-feature-card p { margin: 0; color: #444; font-size: 0.95em; }\n\n  \/* Warning *\/\n  .frogmin-warning {\n    background: #fff7e0;\n    border-left: 5px solid #f5a623;\n    border-radius: 10px;\n    padding: 18px 22px;\n    margin-bottom: 36px;\n  }\n  .frogmin-warning h4 { margin: 0 0 6px; color: #8a5b00; font-size: 1.05em; }\n  .frogmin-warning p { margin: 0; color: #5a3d00; font-size: 0.95em; }\n\n  \/* Spec grid *\/\n  .frogmin-spec-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n    background: #f7f8fc;\n    border-radius: 14px;\n    overflow: hidden;\n  }\n  .frogmin-spec-row {\n    display: flex;\n    justify-content: space-between;\n    gap: 12px;\n    padding: 12px 18px;\n    border-bottom: 1px solid #e1e6ed;\n    font-size: 0.95em;\n  }\n  .frogmin-spec-key { font-weight: 600; color: #0066cc; }\n  .frogmin-spec-val { color: #1a1a1a; text-align: right; }\n\n  \/* FAQ *\/\n  .frogmin-faq-card {\n    background: #fff;\n    border: 1px solid #e1e6ed;\n    border-radius: 10px;\n    padding: 18px 22px;\n    margin-bottom: 12px;\n  }\n  .frogmin-faq-card h4 { margin: 0 0 6px; color: #0066cc; font-size: 1.02em; }\n  .frogmin-faq-card p { margin: 0; color: #333; font-size: 0.95em; }\n\n  \/* CTA *\/\n  .frogmin-cta {\n    background: linear-gradient(135deg, #0080ff 0%, #e8f4fa 100%);\n    color: #fff;\n    border-radius: 14px;\n    padding: 32px 28px;\n    text-align: center;\n  }\n  .frogmin-cta h2 { font-size: 1.6em; margin: 0 0 8px; }\n  .frogmin-cta p { margin: 0 0 18px; font-size: 1em; opacity: 0.95; }\n  .frogmin-perks { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }\n  .frogmin-perk {\n    background: rgba(255,255,255,0.18);\n    border: 1px solid rgba(255,255,255,0.3);\n    padding: 6px 14px;\n    border-radius: 50px;\n    font-size: 0.88em;\n    font-weight: 600;\n  }\n\n  \/* Responsive *\/\n  @media (max-width: 700px) {\n    .frogmin-hero h1 { font-size: 1.5em; }\n    .frogmin-stats { grid-template-columns: repeat(2, 1fr); }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"frogmin-wrap\"\u003e\n\n  \u003csection class=\"frogmin-hero\"\u003e\n    \u003ch1\u003eKing Technology FROG Serene Mineral Cartridge\u003c\/h1\u003e\n    \u003cp class=\"frogmin-tagline\"\u003eFour months of soft, fresh spa water.\u003c\/p\u003e\n    \n    \u003cdiv class=\"frogmin-badges\"\u003e\n      \u003cspan class=\"frogmin-badge\"\u003eAuthorized King Technology Dealer\u003c\/span\u003e\u003cspan class=\"frogmin-badge\"\u003eFree Shipping\u003c\/span\u003e\u003cspan class=\"frogmin-badge\"\u003eSilver + Zinc Minerals\u003c\/span\u003e\u003cspan class=\"frogmin-badge\"\u003eLasts 4 Months\u003c\/span\u003e\n    \u003c\/div\u003e\n    \n  \u003c\/section\u003e\n\n  \u003cp class=\"frogmin-intro\"\u003eThe \u003cstrong\u003eKing Technology FROG Serene Mineral Cartridge (MPN 01-14-3812, SKU PST-01143812)\u003c\/strong\u003e drops a patented blend of silver and zinc minerals into your hot tub to kill bacteria naturally and hold your water crystal clear. Pair it with a FROG bromine cartridge and you cut your bromine use by up to \u003cstrong\u003e50%\u003c\/strong\u003e, so your spa smells cleaner and feels silkier. One prefilled cartridge runs a full four months, then you snap in a fresh one in under a minute.\u003c\/p\u003e\n\n  \u003csection class=\"frogmin-stats\"\u003e\n    \u003cdiv class=\"frogmin-stat\"\u003e\n\u003cdiv class=\"frogmin-stat-value\"\u003e4 mo\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat-label\"\u003eMineral Life\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat\"\u003e\n\u003cdiv class=\"frogmin-stat-value\"\u003e50%\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat-label\"\u003eLess Bromine\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat\"\u003e\n\u003cdiv class=\"frogmin-stat-value\"\u003e150-600\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat-label\"\u003eGallon Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat\"\u003e\n\u003cdiv class=\"frogmin-stat-value\"\u003eAg + Zn\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat-label\"\u003eSilver \u0026amp; Zinc\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat\"\u003e\n\u003cdiv class=\"frogmin-stat-value\"\u003e\u0026lt;1 min\u003c\/div\u003e\n\u003cdiv class=\"frogmin-stat-label\"\u003eSwap Time\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"frogmin-section\"\u003e\n    \u003ch2\u003eWhy PST Customers Pick This\u003c\/h2\u003e\n    \u003cdiv class=\"frogmin-feature-grid\"\u003e\n      \u003cdiv class=\"frogmin-feature-card\"\u003e\n\u003cdiv class=\"frogmin-emoji\"\u003e🧪\u003c\/div\u003e\n\u003ch5\u003eSilver + Zinc Minerals\u003c\/h5\u003e\n\u003cp\u003eA patented FROG mineral blend uses silver and zinc to destroy bacteria and control algae the natural way, so your spa water stays fresh between drains.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-feature-card\"\u003e\n\u003cdiv class=\"frogmin-emoji\"\u003e🧂\u003c\/div\u003e\n\u003ch5\u003eUp To 50% Less Bromine\u003c\/h5\u003e\n\u003cp\u003eRun the mineral cartridge alongside a FROG bromine cartridge and the minerals do half the sanitizing work, cutting bromine consumption by up to 50%.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-feature-card\"\u003e\n\u003cdiv class=\"frogmin-emoji\"\u003e💧\u003c\/div\u003e\n\u003ch5\u003eSilky, Balanced Water\u003c\/h5\u003e\n\u003cp\u003eConditions your water for a softer, more comfortable soak while helping hold pH steady, so you spend less time chasing chemistry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-feature-card\"\u003e\n\u003cdiv class=\"frogmin-emoji\"\u003e🎯\u003c\/div\u003e\n\u003ch5\u003eFits Serene and @ease\u003c\/h5\u003e\n\u003cp\u003eSnaps into FROG Serene In-Line Systems and FROG @ease Floating Systems that use the reusable Serene mineral holder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-feature-card\"\u003e\n\u003cdiv class=\"frogmin-emoji\"\u003e🔧\u003c\/div\u003e\n\u003ch5\u003eOne-Minute Swap\u003c\/h5\u003e\n\u003cp\u003ePrefilled and sealed from the factory. Twist out the old cartridge, snap in the new one, and you are done in under a minute, no measuring or mixing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-feature-card\"\u003e\n\u003cdiv class=\"frogmin-emoji\"\u003e🏊\u003c\/div\u003e\n\u003ch5\u003eSized 150 To 600 Gallons\u003c\/h5\u003e\n\u003cp\u003eRated for hot tubs and spas from 150 to 600 gallons, covering the vast majority of residential portable spas.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \n  \u003cdiv class=\"frogmin-warning\"\u003e\n    \u003ch4\u003eHandling Notice\u003c\/h4\u003e\n    \u003cp\u003eThis cartridge contains active sanitizing minerals. \u003cstrong\u003eDo not open, crush, or empty the cartridge, and keep it away from children and pets.\u003c\/strong\u003e Do not mix its contents with other spa chemicals, shock, or bromine tablets outside the holder, since concentrated oxidizers can react and release fumes. Store it sealed in a cool, dry place and replace it after about four months or whenever you drain and refill the spa, because a spent mineral cartridge no longer sanitizes your water.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \n\n  \u003csection class=\"frogmin-section\"\u003e\n    \u003ch2\u003eSpecifications\u003c\/h2\u003e\n    \u003cdiv class=\"frogmin-spec-grid\"\u003e\n      \u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eManufacturer\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eKing Technology\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eFROG Serene\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eProduct\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eSerene Mineral Cartridge\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eMPN\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003e01-14-3812\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003ePST SKU\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003ePST-01143812\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eType\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eSpa Mineral Sanitizer Cartridge\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eActive Minerals\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eSilver and Zinc\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eCartridge Life\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eApprox. 4 Months\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eBromine Reduction\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eUp to 50% (with FROG bromine cartridge)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eSpa Size Range\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003e150 to 600 Gallons\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eCompatible Systems\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eFROG Serene In-Line, FROG @ease Floating\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003ePrefilled, Single Cartridge\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003epH Impact\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eHelps Balance pH, No Separate Balancing Required\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frogmin-spec-row\"\u003e\n\u003cspan class=\"frogmin-spec-key\"\u003eWater Feel\u003c\/span\u003e\u003cspan class=\"frogmin-spec-val\"\u003eSofter, Conditioned Water\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \n  \u003csection class=\"frogmin-section\"\u003e\n    \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \n    \u003cdiv class=\"frogmin-faq-card\"\u003e\n      \u003ch4\u003eHow long does the FROG Serene mineral cartridge last?\u003c\/h4\u003e\n      \u003cp\u003eThe mineral cartridge lasts about \u003cstrong\u003efour months\u003c\/strong\u003e, or until you drain and refill your spa, whichever comes first. Write the install date on the cartridge with a marker so you know when it is due. Once the minerals are spent the cartridge stops sanitizing, so replace it on schedule even if it still looks fine.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"frogmin-faq-card\"\u003e\n      \u003ch4\u003eDoes this cartridge replace bromine or chlorine entirely?\u003c\/h4\u003e\n      \u003cp\u003eNo. The FROG Serene mineral cartridge is designed to work \u003cstrong\u003ewith\u003c\/strong\u003e a FROG bromine cartridge, not instead of one. The minerals destroy bacteria so you need up to 50% less bromine, but you still run a low level of bromine for a complete sanitizing system. Running minerals alone will not keep spa water fully sanitized.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"frogmin-faq-card\"\u003e\n      \u003ch4\u003eWill this fit my spa's FROG system?\u003c\/h4\u003e\n      \u003cp\u003eThis mineral cartridge fits \u003cstrong\u003eFROG Serene In-Line Systems\u003c\/strong\u003e (the built-in cap-and-basket setup found on many Marquis, Caldera, and Hot Spring spas) and \u003cstrong\u003eFROG @ease Floating Systems\u003c\/strong\u003e that use the reusable Serene mineral holder. It is rated for spas from 150 to 600 gallons. If your holder is stamped for the Serene mineral cartridge, this is the correct refill.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"frogmin-faq-card\"\u003e\n      \u003ch4\u003eCan I install this myself?\u003c\/h4\u003e\n      \u003cp\u003eYes. No tools and no chemistry knowledge are needed. Open your FROG holder or in-line cap, twist out the old mineral cartridge, snap this prefilled one into place, and reset it in the water. The whole swap takes under a minute. Rinse your hands after handling and keep the cartridge sealed until you are ready to install it.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"frogmin-faq-card\"\u003e\n      \u003ch4\u003eWhat is the difference between the mineral cartridge and the bromine cartridge?\u003c\/h4\u003e\n      \u003cp\u003eThe \u003cstrong\u003emineral cartridge (this item, 01-14-3812)\u003c\/strong\u003e holds silver and zinc minerals and lasts about four months. The \u003cstrong\u003ebromine cartridge\u003c\/strong\u003e is a separate blue-capped cartridge that dispenses bromine and typically lasts two to four weeks depending on spa size and use. A complete FROG Serene setup runs both together in the same holder or in-line basket.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n  \u003c\/section\u003e\n  \n\n  \u003csection class=\"frogmin-cta\"\u003e\n    \u003ch2\u003eOrder the FROG Serene Mineral Cartridge From PST\u003c\/h2\u003e\n    \u003cp\u003eAuthorized King Technology dealer with the genuine FROG Serene mineral cartridge, MPN 01-14-3812, in stock and ready to ship.\u003c\/p\u003e\n    \u003cdiv class=\"frogmin-perks\"\u003e\n      \u003cspan class=\"frogmin-perk\"\u003eFree Shipping\u003c\/span\u003e\u003cspan class=\"frogmin-perk\"\u003e30-Day Returns\u003c\/span\u003e\u003cspan class=\"frogmin-perk\"\u003eGenuine King Technology\u003c\/span\u003e\u003cspan class=\"frogmin-perk\"\u003eAuthorized King Technology Dealer\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e\n","brand":"King Technology","offers":[{"title":"Default Title","offer_id":44126697553985,"sku":"PST-01143812","price":33.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/PST-01143812.jpg?v=1783492426","url":"https:\/\/www.pstpoolsupplies.com\/products\/frog-serene-mineral-cartridge-sanitizing-systems","provider":"PST Pool Supplies","version":"1.0","type":"link"}