Spa Frog Hot Tub Bromine Cartridge **2 Pack**

SPA FROG Bromine Cartridges Includes: (2) Yellow Bromine Cartridges for use in the SPA FROG Floating Systems Pre-filled mineral and bromine cartridges combine in a floating dispenser to give any spa crystal clear water with a silky feel. SPA FROG Bromine Cartridges snap easily into a reusable floating holder and when used in combination with the SPA FROG Mineral cartridges reduces the need for bromine by up to 50%. Replace the bromine cartridge every 2 to 4 weeks depending on use.