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Pro Products Poly Guard Crystal System - 1.5 lbs Hard Water Scale & Corrosion Defense
$57.66
Protect your plumbing and appliances from scale buildup and corrosion with the NSF-approved Poly Guard Crystal System. This economical solution slowly releases food-grade crystals to eliminate rust staining in toilets, tubs, and sinks while extending the life of your water system.
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Protect your plumbing and appliances from scale buildup and corrosion with the NSF-approved Poly Guard Crystal System. This economical solution slowly releases food-grade crystals to eliminate rust staining in toilets, tubs, and sinks while extending the life of your water system.
- Protects plumbing and appliances by coating interior walls to reduce scale buildup and corrosion.
- NSF approved formula eliminates unsightly rust staining in toilets, tubs, and sinks.
- High-capacity treatment: one 1.5 lb cartridge treats up to 30,000 gallons of water.
- Compatible with standard 10 in. whole house filter housings for easy installation.
- Economical maintenance: replace cartridge every 30,000 gallons or every 6 months for optimal efficiency.



