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Pro Poly Guard Liquid Rust & Scale Preventer 1 Gallon Bottle

Part Number: GL41N
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Corrosion Control:To get rid of hard water stains, Poly Guard is applied through a chemical feed pump downline from the well pump. Poly Guard is normally fed at a rate of 1 gallon per 200,000 gallons of water. The feed rate should increase to 1 gallon per 100,000 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.

Usage Note: To eliminate hard water stains effectively, inject Poly Guard by chemical feed pump into the raw water system as close to the source as possible.

  • Applicable to commercial, industrial and residential potable water applications.
  • Formulated to prevent hard water stains such as scale and iron staining.
  • Once applied, its protective coating prevents hard water stains, corrosion and copper leaching.
  • Can be used on both metal and plastic surfaces.
  • Comes in a 1 gallon jug
  • Contains sodium acid pyrophosphate and polyphosphoric acids
  • Appearance/Form: Clear/Liquid
  • pH: 4-4.5
Storage/ Stability and Reactivity: Keep out of reach of children. Do not mix with other chemicals. Hazardous decomposition products: oxides of phosphorus

California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov