Poly Guard® Powder






Pro Poly Guard Powder is specifically formulated to prevent hard water scale and iron staining in commercial, industrial and residential potable water applications. The scale preventer powder forms a protective coating on metal and plastic surfaces preventing scale, corrosion and copper leaching. Simply inject Poly Guard Powder by chemical feed pump into the raw water system as close to the source as possible and you are all set! Please note, this Poly Guard product is a scale preventer and does require mixing before use. Pro Poly Guard is NSF Certified to meet NSF/ANSI Standard 60 for drinking water additives.

Available in 5 lb and 50 lb sizes.


Mixing: 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.

Dosage Calculator

Not sure how much Poly-Guard® to use? Simply fill in the information below and we’ll do calculate the proper Poly Guard dosage. You will need your water test results to accurately determine your dosage; if you haven’t had your water tested yet, fill out this form and send us a sample of your water to test. If you get confused along the way, click on “How do I find this out?” Each one will have directions to ease any confusion. If you’re still having trouble, give us a call and we would be glad to help!

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Part Numbers

Part # Size Qty.
GA65N 5 lb. 6
GA50N 50 lb. 1


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