It's bound to happen every now and again: A bit of rust forms on your gardening tools or takes over on your favorite baking sheet. Or you find a gorgeous bar cart at the flea market, but it has rust ...

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 ...