SPA FROG SERENE 4-CARTRIDGE KIT

King Technology Spa Frog Cartridge Refill Kit-01-14-3856

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