*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. How do you remove rust stains from concrete? I tried rust-dissolving gel, let it soak 20 minutes, scrubbed for 10 minutes with a ...

An unattractive rust stain on your home's concrete patios, pool areas, garage floors, and foundation walls is a surefire way to bring down the aesthetic of your exterior. When iron (and iron alloys ...