Freshwater™ XL Vanishing Act Calcium Remover for Hot Tubs and Spas Freeflow Filter Simply squeeze and move over

Simply squeeze and move over the grit and it's gone

Only for use at any of our physical locations

The Caldera / Hot Spring 50 Sq Ft

• Center Hole Diameter: 2 1/8"

Freshwater™ XL Vanishing Act Calcium Remover for Hot Tubs and Spas Freeflow Filter Simply squeeze and move overThe 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.