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poly guard crystal system: cartridge and housing for reduced copper and lead in drinking water. works with whole-home filters, prevents scale, corrosion, and rust stains logo

Poly Guard Crystal System: Cartridge and Housing for Reduced Copper and Lead in Drinking Water. Works with Whole-Home Filters, Prevents Scale, Corrosion, and Rust Stains Review

3

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Very good

Revainrating 4 out of 5  
Rating 
4.0
🚘 Car Finishing

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Description of Poly Guard Crystal System: Cartridge and Housing for Reduced Copper and Lead in Drinking Water. Works with Whole-Home Filters, Prevents Scale, Corrosion, and Rust Stains

ECONOMICAL HARD WATER TREATMENT: The Poly Guard Crystal System is an economical way to treat problem water. A reusable cartridge and four treatments are included for up to six months or 30,000 gallons each. Replace the cartridge in its entirety or just the crystals, as needed. EXTENDED RELEASE CRYSTALS: The Poly Guard System slowly releases microscopic crystals into the water supply, protecting plumbing and water-using appliances from corrosion and hard water. PROTECTS PIPES AND PLUMBING: The system defends against the ravages of hard water. Poly Guard extends the life of plumbing and appliances by forming a protective coating on metal and plastic surfaces preventing scale, corrosion and copper leaching. PROTECTS PLUMBING AND EQUIPMENT: The Poly Guard System protects home and commercial plumbing systems, along with water heaters, water processing equipment and food processing equipment, from mineral buildup and eliminates rust stains in toilets, tubs and sinks. CERTIFIED SAFE: The Poly Guard Crystal System uses food-grade crystals in slow release to protect the water supply in your home or commercial location. It is independently certified to NSF/ANSI 60 for drinking water, so that you know your water is clean and safe.

Reviews

Global ratings 3
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Type of review

Revainrating 5 out of 5

Impressive Car Finishing Solution

Through trial and error, I found that this sequestrant works wonders in protecting my automotive investment. It effectively controls corrosion and has greatly improved my car's appearance. The application process is quick and easy to follow, leaving a beautiful and long-lasting finish. The only downside is that it may require multiple applications for optimal results. Despite this, I highly recommend this product for anyone looking for a reliable and affordable car finishing solution.

Pros
  • Effectively prevents and inhibits corrosion in water systems.
Cons
  • Potentially harmful to the environment if improperly disposed of.

Revainrating 1 out of 5

It's LIQUID, no crystals!

The entire product page is dedicated to crystals, which are mentioned dozens of times. Only one spot below the product page mentions liquid and then the description below refers to crystals. The liquid requires an injection system and does not work with the cartridge and filter housing.

Pros
  • Finish
Cons
  • Difficult to say

Revainrating 5 out of 5

Safely stops rust stains

For use with my "raw" (non-softened) well water that feeds my lawn watering system and outdoor hose bibs. Without polyphosphates, I get bad rust stains anywhere water dries (like my concrete driveway, house siding, even brick), but it doesn't stain. I dilute to about 176,000:1, which is just over 200,000:1 as the label says. We have quite a bit of iron in our water and I want to add some extra concentrate to prevent staining.

Pros
  • Anti-corrosion and rust inhibitor
Cons
  • No automatic