FROG Serene Mineral Cartridge


Mineral cartridges last for a full 4 months before needing to be replaced.

  • Spa frog mineral cartridge
  • Refill for use in either the spa frog floating system, or for users of the spa frog inline system
  • Use with companion frog bromine cartridge

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The Power of Mineral Cartridges

Spa Frog Mineral Cartridge refill for use in either the Spa Frog Floating System, or for users of the Spa Frog Inline System which is factory-installed in the spa. Use with companion Frog Bromine Cartridge.

  • Mineral Water System for spas up to 600 gallons
  • The Mineral Cartridge will last four months or until you change water. The Bromine Cartridges will last two to four weeks
  • Pre-filled cartridges so you don’t have to guess
  • Easiest water care system, no measuring or filling floaters with pucks
  • Eliminates bacteria with 50% less sanitizer
  • Our Bromine cartridges are recyclable


Additional information


Single, 2-pack, 6-pack, 12-pack

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FROG Serene Mineral Cartridge


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