Frog Filter Mate Mineral Purifier

Specifically designed for your bromine spa chemical system. Reduces spa maintenance by automatically controlling bacteria and helps keep the spa pH level neutral. Place the Spa Frog Mineral Purifier inside the core of a spa filter cartridge, skimmer tray or filter well. Each Spa Frog Mineral Purifier lasts up to 4 months. Reduces spa maintenance by up to 50%.