{"product_id":"spa-frog-serene-refill-cartridge-kit","title":"Spa Frog Serene Refill Cartridge Kit","description":"\u003cp\u003eReplacement cartridge kit for Spa Frog Serene Floating System, and spas with factory-installed Inline System. Adjustable release rate settings.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(3) Yellow Bromine Cartridges (ea. lasts 2-4 wks.)\u003c\/li\u003e\n\u003cli\u003e(1) Blue Mineral Cartridge (replace every 4 mos.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct notes:\u003c\/strong\u003e Also fits Frog’s Inline System, factory-installed on hot tub models by Bullfrog, Caldera, Cal Spas, Catalina, Coast, Emerald, Hot Spot, Hot Spring, Leisure Bay, Marquis, Morgan, Pacific, Saratoga, Watkins, others.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"SpaDepot","offers":[{"title":"Default Title","offer_id":53110217048381,"sku":"zvb1789818746364","price":61.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/5707\/9357\/files\/spa-frog-serene-refill-cartridge-kit_1.jpg?v=1789818751","url":"https:\/\/curveseamfit.shop\/products\/spa-frog-serene-refill-cartridge-kit","provider":"My Store","version":"1.0","type":"link"}