SpaGuard Rapid-Dissolve Stain and Scale Control hot tub chlorine Whether you’re gearing up for

Whether you’re gearing up for the start to pool season

helping maintain a steady sanitizer residual with less frequent manual dosing

Is this a liquid algaecide

Does this replace sanitizer

or for adding a mid-season water treatment boost to maintain sparkling water

SpaGuard Rapid-Dissolve Stain and Scale Control hot tub chlorine Whether you’re gearing up forSpaGuard Rapid Dissolve Stain & Scale Tabs 1. 25 lb Fast Dissolving Stain and Scale Protection for Spas and Swim Spas SpaGuard Rapid Dissolve Stain & Scale Tabs help protect spa and swim spa surfaces, plumbing, heaters, and equipment from stain and scale problems. These convenient tabs are designed to control metal based staining and scaling, including stains caused by iron, copper, and manganese, while helping reduce scale formation caused by calcium