Frog Serene Mineral Replacement Cartridge

In stock


Spa Frog Serene Mineral Replacement Cartridge

Spa Frog’s Mineral Cartridge provides spa and hot tub owners utilizing the Spa Frog System with an easy way to introduce water softening minerals into their systems in a handy self-contained replaceable cartridge, eliminating the need for time-consuming chemical additives. Mineral Cartridge softens water as well as making it easy on your skin and eyes to provide a bathing environment that chlorine-based systems cannot match.

Refills for use in the Spa Frog Floating System or Spa Frog In-line System, factory-installed in selected newer spa models including: Emerald, Saratoga, Caldera, Marquis, Morgan, Watkins Hot Spot, Pacific Hot Tubs, and Leisure Bay spas. Minerals used on max setting #6.


  • For use with Spa Frog floating and In-Line Systems
  • One cartridge last 4 months
  • Used with companion Frog Bromine Cartridges.
  • Spa Frog Mineral Cartridge 5.3 oz.




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