Spa-Frog Sanitizer Bromine Pool Chemicals, 5 Count

Spa-Frog Sanitizer Bromine Pool Chemicals, 5 Count Replacement cartridges for the Spa Frog floating system – Includes 1 mineral cartridge and 4 bromine replacement cartridges for no mess, no guess, and no stress water care Bonus floating thermometer included – Floats on water's surface for easy access and quick readings Mineral cartridge lasts 4 months – Replace bromine cartridge every 2-4 weeks as needed. Refill for use in either the Spa Frog floating system or for users of the Spa Frog inline system. Leaves water feeling softer and clearer Easy spa maintenance – The Spa Frog floating system uses pre-filled mineral and bromine cartridges that snap into a reusable floating holder and works in any spa The Spa Frog mineral sanitizer controls bacteria and keeps pH levels balanced – No need to mix chemicals. This will reduce your use of chlorine or bromine by up to 50%. Simply replace the cartridge about every 4 months when you drain and refill your spa. The cartridge is easy to replace into the cartridge holder