If you have a metal birdbath, there is a good chance it will rust over time, particularly those made from cast iron or steel. The rusty surface will eventually corrode and it can even taint the water ...

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 ...