Picture this: you spend time cleaning your bathroom only to notice your taps still look cloudy with white patches and faint rust stains. It can be frustrating when shiny chrome or stainless steel ...

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 ...