Frog SooTHe™ Total Hardness Increaser for Hot Tubs & Swim Spas 2lbs @ease Freshwater™ MPS Chlorine-Free Oxidizer is

Freshwater™ MPS Chlorine-Free Oxidizer is compatible with silver ion/granulated chlorine systems

but we hope to in the future

including salt systems

Rainbow 17-2464

~ Free UPS Ground shipping ~

Frog SooTHe™ Total Hardness Increaser for Hot Tubs & Swim Spas 2lbs @ease Freshwater™ MPS Chlorine-Free Oxidizer isFrog SooTHe Total Hardness Increaser raises the total hardness level (also known as calcium hardness) of your hot tub or swim spa water. Includes the FROG TruDose Cap for precise, no mess measuring. Active Ingredient: 100% Calcium Chloride Dihydrate Size: 2 lbs. Frog SooTHe Total Hardness Increaser is compatible with all spa water sanitization systems including: silver ion granulated chlorine systems, salt systems, granulated bromine, bromine tabs