Frog Spa Mineral Cartridge (used in the bromine system) provides spa and hot tub owners utilizing the Spa Frog System with an easy way to introduce water softening minerals into their systems in a handy self-contained replaceable cartridge, eliminating the need for time-consuming chemical additives. Mineral Cartridge softens water as well as making it easy on your skin and eyes to provide a bathing environment that chlorine-based systems cannot match. This product is designed for use with Spa Frog floating or inline systems, making the task of spa maintenance much simpler.
1 Cartridge.
Replace every 3-4 months.
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