FROG Serene Cartridge Kit - Includes 1 Mineral Cartridge plus 3 Bromine Cartridges bromine Each SmartChlor cartridge typically lasts

Each SmartChlor cartridge typically lasts about 3 to 4 weeks depending on spa size

Supports FROG @ease and FROG Serene Systems

Treats Hot Tubs up to 600 gallons

Helps keep water clear: A cleaner filter improves filtration and helps remove insoluble particles from spa water

For regular pool sanitation

FROG Serene Cartridge Kit - Includes 1 Mineral Cartridge plus 3 Bromine Cartridges bromine Each SmartChlor cartridge typically lastsIncludes 1 Mineral Cartridge and 3 Bromine Cartridges For use with either Serene Floating System or Serene Inline Systems FROG Serene keeps your hot tub clean while eliminating the work and the guesswork. Instead of spooning in chlorine daily, you simply replace a pre filled cartridge about once a month. FROG Serene works by double teaming bacteria with sanitizing minerals and a very low level of bromine. The resulting Fresh Mineral Water has a