Freshwater™ XL Vanishing Act Calcium Remover for Hot Tubs and Spas Freeflow Filter Freshwater™ pH / Alkalinity Down

Freshwater™ pH / Alkalinity Down is compatible with all spa water sanitization systems including: silver ion/granulated chlorine systems

• Center Hole Diameter: 2 1/8"

Instructions:

Sirona™ Bromine Tablets provide a concentrated source of active bromine that is ideal for hot tub sanitizing

The Caldera / Hot Spring 50 Sq Ft

Freshwater™ XL Vanishing Act Calcium Remover for Hot Tubs and Spas Freeflow Filter Freshwater™ pH / Alkalinity DownThe 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.