Spa Frog Floating System uses pre-filled mineral and bromine cartridges that snap into a reusable floating holder and works in any spa. The Spa Frog Floating System transforms your spa into the perfect environment for soothing relaxation with up to 50%* less bromine than standard bromine spas. Cartridges are easily adjusted to meet the sanitizing needs of virtually any size spa. Complete spa care using mineral and bromine cartridges that snap into a reusable holder

• Replace the mineral cartridge every 4 months or when you drain and refill your spa
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  The bromine cartridge will last 2-4 weeks depending on use
• For hot tubs up to 600 gallons
• Note: It is a violation of Federal law to use this product in a manner inconsistent with its labeling.