Q: My concrete sidewalk and driveway have large brown rust stains that I haven’t been able to remove. I tried bleach and a chemical remover to no avail. Can you help? A: Rust stains on concrete seem ...

Q: Thank you so much for your article on rust and oxalic acid ("Rust isn't her best color," Jan. 7). We have had this problem for years! And it is frustrating. We even have our water treated through ...

Q. I have a plowing company. Last winter while plowing, I left rust streaks on two properties. Though they are not very noticeable, they are noticeable. Do you have any ideas or solutions to removing ...

Q. I have a nice-looking terrazzo floor that has rust spots made by paint cans left on it. I tried removing the rust with Rust Reformer and a little bleach rubbed with steel wool, but nothing worked.

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 ...

Every week, readers reach out to me with fantastic questions about a column of mine they have just read. Often they ask why I didn’t delve deeper into the topic. The answer is that newspapers – the ...

If there’s one subject that shows up in my inbox more often than any other, it has to be rust. Ugly, orange-ish stains on tubs, showers, toilets, washing machines, sinks and even stainless steel. One ...