SCALE & RUST PREVENTER
PREVENT HARD WATER STAINS
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. As a bonus, Poly-Guard also protects pumping pipes and fixtures from calcium and scale buildup.

To eliminate hard water stains, simply inject Poly Guard by chemical feed pump into the raw water system as close to the source as possible. This product is NSF Certified to meet NSF/ANSI Standard 60 for drinking water additives.