5 pack spa frog replacement cartridges, 4 bromine/ 1 mineral

REPLACEMENT CARTRIDGES FOR THE SPA FROG FLOATING SYSTEM – Includes 1 Mineral Cartridges & 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 water clearer..EASY SPA MAINTENANCE – SPA FROG Floating System uses pre-filled mineral and bromine cartridges that snap into a reusable floating holder and works in any spa. REPLACEMENT CARTRIDGES for the SPA FROG Floating System – Use mineral cartridge with companion frog bromine cartridgeTHE SPA FROG MINERAL SANITIZER will control bacteria and keeps pH levels balanced. No need to mix chemicals. This will reduce your use of chlorine or bromine 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.