Description

This listing includes 1 FROG Sanitizing Mineral Cartridge which lasts 4 months; minerals eliminates organic contaminants condition the water for softness and absorb acids – water feels much more comfortable4.7 out of 5 stars

FROG Serene Mineral Replacement Cartridge for Hot Tubs for use only with FROG Serene in-Line and Floating Sanitizing Systems for Spas up to 600 gallons Quick and Easy Hot Tub Sanitizer

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