Frog Serene (Spa Frog) Bromine Cartridge
Frog Serene (spa frog) replacement Bromine Cartridge refill for use in either the Frog Serene (spa frog) Floating System, or for users of the Frog Serene (spa frog) In-Line Sanitizing System which is factory installed in the hot tub spa. Use with companion Frog Serene (spa frog) replacement Mineral Cartridge.
- For use with Spa Frog In-Line or Floating Systems.
- Spa Frog Bromine Cartridge lasts 2-4 weeks depending on your hot tub use