Pro Poly Guard Scale & Rust Preventer (Powder) is specifically formulated to prevent hard water scale and iron staining in commercial, industrial and residential potable water applications. The scale preventer powder of Poly Guard forms a protective coating on metal and plastic surfaces preventing scale, corrosion and copper leaching. Inject Poly Guard scale preventer powder by chemical feed pump into the raw water system as close to the source as possible. This Poly Guard product is a scale preventer powder that requires mixing before use. Pro Poly Guard is NSF Certified to meet NSF/ANSI Standard 60 for drinking water additives.Scale Preventer Powder ApplicationsMixing: Poly Guard scale preventer powder should be dissolved at a rate of 1.5 pounds per 5 gallons of water. The solution should be held in a solution tank and injected into the water system.Corrosion Control: Poly Guard scale preventer powder is applied through a chemical feed pump downline from the well pump. Poly Guard is normally fed at a rate of 1 pound (1.5 cups) per 40,000 gallons of water. The feed rate should increase to 1 pound per 20,000 gallons in above normal iron and corrosion water supplies. Follow the procedure for injecting Poly Guard solution into the water system as specified by the chemical feed pump manufacturer or supplier. For best results, use dosage calculator in tool kit located on the right side of this page.
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