Frog Serene Bromine Cartridge - Yellow, 2535

Frog Serene ( Spa Frog ) replacement Bromine Cartridge refill for use in a Frog Serene Floating System or the Frog In-Line Sanitizing System which is factory installed in the hot tub and is used in combination with a Frog Serene replacement Mineral Cartridge. Frog Serene Bromine Cartridge Features: - 150 Grams, Bromine - Frog Serene lasts 2-4 weeks depending on your hot tub use. - Used in Marquis Spas, Hot Springs Spas, Artesian and Caldera Spas to name a few. The Spa Frog Floating System transforms your spa into the perfect environment for a soothing relaxation with up to 50% less bromine than standard bromine hot tubs.