{"product_id":"frog-serene-mineral-cartridge","title":"Frog® Serene Mineral Cartridge","description":"\u003cp\u003eFROG Serene Mineral Replacement Cartridge is designed to eliminate water contaminants significantly reducing the amount of chemicals used in spas and hot tubs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCuts Bromine use up to 50%\u003c\/li\u003e\n\u003cli\u003eCuts down on maintenance time\u003c\/li\u003e\n\u003cli\u003eWater feels softer with a crystal clear shine\u003c\/li\u003e\n\u003cli\u003eWorks in any spa without special equipment needed\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Frog","offers":[{"title":"Default Title","offer_id":49889431126273,"sku":null,"price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/2330\/2401\/files\/Screenshot2026-07-22160559.png?v=1784761570","url":"https:\/\/shopsouthwestspas.com\/products\/frog-serene-mineral-cartridge","provider":"Shop Southwest Spas","version":"1.0","type":"link"}