King Technology Spa Frog Cartridge Refill Kit, 01-14-3856
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King Spa Frog Retail Cartridge Kit contains 4 pre-filled mineral and bromine cartridges that snap into a reusable floating holder and works in any spa. The Spa Frog Floating System transforms any spa into the perfect environment for soothing relaxation with up to 50% less bromine than standard a bromine spas. Cartridges are easily adjusted to meet the sanitizing needs of virtually any size spa. Replace the mineral cartridge every 4 months when you drain and refill your spa. The bromine cartridge will last 2-4 weeks depending on use. Contains 3 Bromine and 1 Mineral Cartridge per kit.