SpaGuard RAPID DISSOLVE Stain & Scale Tabs (1.25 LB)

SpaGuard Rapid-Dissolve Stain & Scale Tabs are single-dose, 1-inch tabs designed for spas and swim spas that prevent and remove scale buildup and metal-based stains from iron, copper, and manganese. These tabs use effervescing technology to quickly disperse their powerful agents into the water, bonding with problem-causing ions and protecting spa surfaces and equipment. To use, simply drop a tab into the filter well with the pump running.  Control pH bounce by quickly raising total alkalinity