Spa Frog Serene® Bromine Combined Cartridge Kit
Spa Frog
Spa Frog Serene® Bromine Combined Cartridge Kit. For use with the Spa Frog Serene In-Line or Floating Cartridge system for hot tubs and spas.
This kit includes:
• 1 Blue Mineral Cartridge
• 3 Yellow 5.3 oz Bromine Cartridges
