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 ...

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, ...

Rust removers with sodium hydrosulfite typically come in powder form, making them ideal for removing rust from more delicate surfaces, such as concrete, marble, and other types of stone and masonry.

Q: I have a cast-iron skillet that I have been using for a few years. It has brown, rust-colored stains that don’t come off, no matter what I do. I’ve tried kosher salt and a small chain, soap, a ...