Spa Frog 01-14-3712 Mineral Purifier System

The 01-14-3712 Spa Frog Mineral Cartridge System is designed to help destroy bacteria while maintaining a neutral pH level which reduces bromine and chlorine use by as much as 50%. The Spa Fog Mineral Purifier will make your water look crystal clear and feel silky smooth. Very easy to use, simply insert the Spa Frog into the core of your cartridge filter, in the skimmer tray or in the filter well. Each Spa Frog will last 4 months when supplemented with bromine or chlorine and has a convenient 4 month reminder system.