Pro Products Poly Guard® Crystals - Prevent Hard Water Scale Scale & Rust Preventer
4.5 (1,234)
Sold 100+ last 30 days
20% off first order
$99.00
Color
Black
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Description
Pro Products Poly Guard Crystals form a protective coating on water-exposed surfaces to prevent hard water scale and iron buildup in your plumbing, equipment, and appliances. NSF-certified to Standard 60, this polyphosphate formula se...