Spa Frog Serene Mineral Cartridge used in Floating System and Inline System. Use with companion Bromine Cartridge.
- Adjustable blue mineral cartridge
- For Frog Floating or Inline systems
Product notes: Mineral cartridge lasts 4 months. Inline system factory-installed on spas including: Emerald, Coast, Saratoga, Caldera, Marquis, Morgan, Watkins Hot Spot, Pacific Hot Tubs, Catalina, Cal Spas, Leisure Bay. Use with yellow Bromine Cartridge.
You may also like