When your Pro Poly Guard cartridge runs out don't buy a new one. Simply refill the cartridge with economical Pro Poly Guard Crystals, reinstall, and you're back in business. Your appliances, plumbing, and other vulnerable surfaces will be protected from scale build-up and corrosion for another 30,000 gallons.
- 3 lb. container will treat up to 60,000 gallons of hard water
- Used to refill the Pro Poly Guard cartridge
- NSF 60 certified for drinking water use
- Genuine OEM Product
|Used In Brands||Pro Products|
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