The money-saving Spa Frog Mineral Cartridge pack contains a year's supply:
(3) Frog Mineral Cartridges
Refills for use in either the Spa Frog Floating
System, or for users of the Spa Frog In-line System, factory-installed in their spas.
Used with companion Frog Bromine Cartridges.
Floating System
In-Line System
Product notes: The mineral cartridge will last 4 months.
The Spa Frog inline system is factory-installed on selected newer spa models
including: Emerald, Saratoga, Caldera, Marquis, Morgan, Watkins Hot Spot,
Pacific Hot Tubs, and Leisure Bay spas.
3 Pack - Year's Supply
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