Serene Mineral and Bromine Cartridge Bundle

Spa Frog Bromine Cartridge refill for use in the Spa Frog Inline System which is factory-installed in the Marquis spa. Frog Frog Mineral Cartridge refill for use in either the Frog Serene Floating System, or for users of the Frog Serene Inline System which is factory-installed in the spa. This product is not allowed to ship overnight shipping.

Replace the FROG Serene Mineral Cartridge after 4 months or when draining and refilling the hot tub with fresh water.

Bundle Includes: 

• Four Serene Bromine Green Cartridges
• One Blue Mineral Cartridge