Poly Guard GL41N Liquid Calcium and Iron Preventer for Drinking Water, 1 Gallon
Price 35.56 - 48.75 USD
Pro Poly Guard Scale & Rust Preventer (Liquid) is specifically formulated to prevent hard water stains, including scale and iron staining in commercial, industrial and residential potable water applications. Poly Guard forms a protective coating on metal and plastic surfaces preventing hard water stains, scale, corrosion and copper leaching.