Frog SooTHe™ Total Hardness Increaser for Hot Tubs & Swim Spas 2lbs @ease ~ Free UPS Ground shipping

~ Free UPS Ground shipping ~

If your swim spa is NOT an ENDLESS POOLS® brand swim spa

Hot Tub Filter is the replacement filter for the following Tropic Seas models:

Rainbow 17-2464

Frog SooTHe™ Total Hardness Increaser for Hot Tubs & Swim Spas 2lbs @ease ~ Free UPS Ground shippingFrog 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