Reduce the usage of chlorine and bromine by up to 50%, stop faded swimsuits and powerful odors with Filter Frog®. Designed to fit conveniently inside of your spas filter cartridge, this is the only hot tub mineral sanitizer designed with the patented FROG® mineral protection for hot tubs up to 600 gallons, Filter Frog lasts up to 4 months, and features an easy reminder dial to help you remember when to replace it. Supplement with a low level of chlorine or bromine and hot tub care is complete with soft water and a crystal clear shine.
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