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King Technology – FROG Serene Mineral Replacement Cartridge 01-14-3812
FROG Serene Mineral Replacement Cartridge is designed to eliminate water contaminants significantly reducing the amount of chemicals used in spas and hot tubs.
- Cuts Bromine use up to 50%
- Cuts down on maintenance time
- Water feels softer with a crystal clear shine
- Works in any spa without special equipment needed
FROG Serene Mineral Cartridges (formerly Spa FROG) are for use in the FROG Serene Floating Systems, in which pre-filled mineral and bromine cartridges combine in a floating dispenser to give any spa or hot tub crystal clear water with a silky feel. FROG Serene Mineral Cartridges snap easily into a reusable floating holder and when used in combination with the FROG bromine cartridge, reduces the need for bromine by up to 50%. FROG Serene Mineral Cartridges last an average of four months.