Spa Frog In-Line Or Floating Mineral Replacement Cartridge
Add the Spa Frog Mineral Cartridge to your home’s spa for fresh mineral water whenever you need to unwind. Simple and easy to install, the Spa Frog Mineral Cartridge will help control the chemical balance in your spa so you can stay worry-free.
For use in the FROG Serene Floating and In-Line Systems. Minerals are set to #6 (wide open) and last up to 4 months.