{"product_id":"spafrogserenecartridgerefillkit01143856frg01143856","title":"Spa Frog Serene Cartridge Refill Kit | 01-14-3856","description":"\u003cdiv\u003e\n\u003ch2\u003eSpa Frog Serene Cartridge Refill Kit | 01‑14‑3856\u003c\/h2\u003e\n\u003cp\u003eThe official **Spa Frog Serene Cartridge Refill Kit** from King Technology includes **1 blue mineral cartridge** and **3 yellow bromine cartridges**, designed for use with the Spa Frog Serene Floating or In-line systems found in many hot tubs.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMineral cartridge lasts up to 4 months—softens water and reduces bromine usage up to 50%\u003c\/li\u003e\n\u003cli\u003eThree bromine cartridges (150 g each) provide 2–4 weeks of sanitizer per cartridge\u003c\/li\u003e\n\u003cli\u003ePrefilled cartridges eliminate handling chemicals manually\u003c\/li\u003e\n\u003cli\u003eCompatible with systems in Marquis, Caldera, Emerald, Leisure Bay, Saratoga, Morgan, and other spa brands\u003c\/li\u003e\n\u003cli\u003eEasy replacement—snap into the reusable Serene Floating Holder or inline feeder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number \/ SKU: 01‑14‑3856\u003c\/li\u003e\n\u003cli\u003eIncludes: 1 mineral cartridge (≈4 months), 3 bromine cartridges (each ≈2–4 weeks)\u003c\/li\u003e\n\u003cli\u003eWeight: approx. 0.75–1.0 lb\u003c\/li\u003e\n\u003cli\u003eUPC: 722906038511\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance \u0026amp; Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReduces bromine use—delivers “Fresh Mineral Water®” and soft spa feel\u003c\/li\u003e\n\u003cli\u003eSets sanitizer release to low-level bromine (minimized odor)\u003c\/li\u003e\n\u003cli\u003eSimplifies spa care—just replace cartridge monthly\u003c\/li\u003e\n\u003cli\u003eHelps maintain crystal-clear, low-maintenance spa water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eUsage Tip:\u003c\/em\u003e Replace the mineral cartridge every 4 months (or when refilling your spa), and replace a bromine cartridge every 2–4 weeks depending on spa usage. Ensure your filter is clean and sanitizer levels are maintained for best performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eSKU: 01-14-3856\u003c\/p\u003e","brand":"Frog","offers":[{"title":"Default Title","offer_id":46797768982703,"sku":"1\/14\/3856","price":86.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/spa-frog-serene-cartridge-refill-kit-01-14-3856-frog-419405.jpg?v=1777067043","url":"https:\/\/freshized.com\/products\/spafrogserenecartridgerefillkit01143856frg01143856","provider":"Freshized","version":"1.0","type":"link"}