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Pro Products (ga65n) Poly-guard Powder 5 Lbs

Looking for a solution to hard water rust? Pro Poly Guard slowly releases food grade (Powder) into the water supply, protecting plumbing and water using appliances from corrosion and hard water rust and extending the life of plumbing and appliances by coating the interior walls. This coating of the plumbing also reduces the leaching of copper and lead into drinking water. Poly Guard sequesters hard water (maximum 12 grains per gallon hardness), reducing scale build up, and sequesters low levels of iron (maximum 1 part per million iron), reducing hard water rust staining. The Poly Guard Cartridge will treat approximately 30,000 gallons of water depending on water conditions. Temperature range 40-125º F (4.4-37.8º C). This product is NSF Certified to meet NSF/ANSI Standard 60 for drinking water additives.Hard Water Rust Applications:Corrosion Control: Poly Guard Cartridge fits 10" standard whole house filter housings. The cartridge will hold 1.5 pounds of crystal and treat up to 30,000 gallons of water. These crystals will not dissolve completely and should be replaced in 30,000 gallon intervals or every 6 months to ensure product efficacy.

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