Concrete driveways, patios, and garage floors may take a beating, but that doesn’t mean they must show the signs. While these rugged surfaces are bound to receive their share of errant oil, paint, ...

*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 ...

Concrete driveways are susceptible to unsightly rust stains when iron reacts with water and oxygen. Here's where that iron might be coming from.

Do you remember asking the classic question in high school chemistry class, “When will I ever use this?” I admit that I was one who posed this question loud enough that I was rewarded with an ...

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How do you remove rust stains from concrete? I tried rust-dissolving gel, let it soak 20 minutes, scrubbed for 10 minutes with a stiff brush. No change. Also, how do you remove tar from concrete? - ...