{"product_id":"frog-serene-floating-system","title":"FROG Serene Floating System","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003eFROG® Serene Floating System uses pre-filled mineral cartridges and bromine cartridges that snap into a reusable floating holder and works in any spa. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe FROG® SERENE Floating System transforms spas into the perfect environment for soothing relaxation with up to 50% less bromine needed than standard bromine spas. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCartridges are easily adjusted to meet the sanitizing needs of virtually any size spa. Replace the \u003c\/span\u003e\u003ca href=\"https:\/\/www.essentials-spasupplies.com\/frog-serene-mineral-cartridge\" target=\"_blank\"\u003emineral cartridge\u003c\/a\u003e\u003cspan\u003e every 4 months when you drain and refill your spa. The \u003c\/span\u003e\u003ca href=\"https:\/\/www.essentials-spasupplies.com\/frog-serene-bromine-cartridge\" target=\"_blank\"\u003ebromine cartridge\u003c\/a\u003e\u003cspan\u003e will last 2-4 weeks depending on use.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Essentials","offers":[{"title":"Default Title","offer_id":42561549762656,"sku":"2525","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/3221\/4624\/files\/Screenshot2026-02-05at2.32.10PM.png?v=1774460408","url":"https:\/\/spasunlimited.myshopify.com\/products\/frog-serene-floating-system","provider":"Spas Unlimited Online","version":"1.0","type":"link"}