SCALE & RUST PREVENTER
PREVENT HARD WATER & SCALE
Poly Guard Crystals are perfect for preventing hard water scale and iron build-up in water systems, equipment and appliances by forming a protective coating on the surface areas with continual exposure to water. Poly Guard is released through our patented refillable cartridge, which provides accurate dosage and simple replacement, allowing the crystals to slowly dissolve into your water supply. Our cartridge is compatible with most domestic filter housings, and last up to six months while treating up to 30,000 gallons of water Poly Guard Crystals are a safe and economical way to treat hard water and iron without the use of a water softener.