FROG Serene Bromine Replacement Cartridge for Hot Tubs for use only with FROG Serene in-Line and Floating Sanitizing Systems for Spas up to 600 gallons, Quick and Easy Hot Tub Sanitizer – 150 Grams

The FROG Serene Floating System or In-Line System with Mineral Cartridge is a revolutionary way to keep your hot tub water clean, soft, and sanitized.

With its unique two-way killing of bacteria, this system uses less bromine while still providing effective sanitation.

Say goodbye to constant monitoring and hello to easy, hassle-free maintenance.

The prefilled Bromine Cartridge lasts 2-4 weeks and is recyclable when empty, making replacement quick and convenient.

Plus, the Mineral Cartridge must be replaced every 4 months for optimal sanitation, working in tandem with the Bromine Cartridge to provide a safe and enjoyable hot tub experience.

Don't settle for mediocre hot tub water any longer - upgrade to the FROG Serene Floating System or In-Line System today!