Rust Out chemically removes iron and rust buildup that coats the resin bed and fouls the water softener. Rust Out changes rust and iron into a clear solution that easily rinses away when you softener regenerates. Rust Out does not contain harsh or abrasive chemicals that damage fiberglass, porcelain, or acrylic finishes. The advanced formula contains more than five chemicals that are formulated to clean, restore, and maintain the life of water softeners. Rust out can also be used to clean tough rust stains from toilets, sinks, tubs, white clothes, and exterior surfaces. Pro Products LLC, was established in 1995 and provides reliable, high quality, cost effective solutions for both in-home water systems and outside irrigation needs. The water treatment specialists at Pro Products offer a wide range of solutions that focus on rectifying problems, testing, cleaning stains, and maintaining the performance of water quality equipment.