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  • To eliminate hard water stains, inject Poly Guard by the chemical feed pump
  • The product is NSF certified to meet NSF/ANSI standard 60 for drinking water additives
  • Poly Guard is normally fed at a rate of 1 Gal. per 200,000 Gal. of water
  • The feed rate should increase to 1 Gal. per 100,000 Gal. in above-normal iron and corrosion water supplies
  • Works great and is easy to use


  • Brand: Pro Products
  • Size: 1 GA-Gallon
  • Product Form: Liquid
  • Concentrated or Ready to Use: Ready to use
  • Pack Size: 4

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