King Tech Spa Frog Mineral Replacement Cartridge
MINERAL CARTRIDGE used with SPA FROG Floating System and Spa Frog In-Line System . SPA FROG Mineral 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, sanitizing with up to 50%* less bromine (1.0 ppm) than standard bromine spas.
Cartridges are easily adjusted to meet the sanitization needs of virtually any size spa. Replace the mineral cartridge every 4 months or when you drain and refill your spa.