FROG Hot Tubs - Serene - Cartridge Refill Kit

FROG Hot Tubs - Serene - Cartridge Refill Kit

The King Technology Spa FROG Cartridge Refill Kit contains 1 Mineral Cartridge and 3 Bromine Cartridges.

FEATURES:

• Cuts Bromine use up to 50%
• Cuts down on maintenance time
• Water feels softer with a crystal clear shine
• Bromine cartridge lasts 2-4 weeks
• Mineral cartridge lasts 4 months