Review on 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 by Michael Tenk

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.