Freshwater™ XL Vanishing Act Calcium Remover for Hot Tubs and Spas Metal Remover If you want to buy

If you want to buy more than one yellow Serene cartridge at a time

Bottle includes 25 test strips and tests from 1000-3000 ppm salt levels

The Sirona Simply line is the replacement for BAQUA Spa

303® Mold & Mildew Stain Remover works to clean mold & mildew from hot tub surfaces

Simple to use with no foaming residue left behind

Freshwater™ XL Vanishing Act Calcium Remover for Hot Tubs and Spas Metal Remover If you want to buyThe Freshwater XL Vanishing Act Calcium Remover bag removes excess calcium hardness from hot tub water. In salt systems, the calcium hardness must be between 25 75ppm. Use every time you change your hot tub water. For use with any water care system, including ACE and Freshwater Salt! Did You Know? Use the XL Vanishing Act bag when the calcium hardness level in your fill water is 150ppm or higher.