By King Technology, Inc
Model # 01143856
King Technology Spa Frog Cartridge Refill Kit
The King Technology Spa Frog Cartridge Refill Kit contains 1 Mineral Cartridge and 3 Bromine Cartridges.
Spa Frog Bromine and Mineral Cartridges are for use in the Spa Frog Floating Systems, in which pre-filled mineral and bromine cartridges combine in a floating dispenser to give any spa crystal clear water with a silky feel.
Replace the mineral cartridge every four months when you drain and refill your spa.
Replace the bromine cartridge every two to four weeks, depending on use.