If your bicycle chain is rusty, an easy way to get rid of surface rust is to pour lime juice on a piece of steel wool and scrub the rusty areas. The citric acid in the juice will react with the iron ...
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 ...