FROG Spa Serene Floating System

Keep your hot tub crystal clear and clean with the FROG Spa Serene Floating System. This all-in-one hot tub sanitizing system includes a bromine cartridge, sanitizing minerals cartridge, test strips, and startup shock for easy spa maintenance. The mineral cartridge lasts up to four months, while the bromine cartridge lasts 2 to 4 weeks. Perfect for hot tubs up to 600 gallons, this system will have you relaxing in your spa worry-free.