In this video, I demonstrate the construction of an electrolysis machine for rust removal. The process involves a try-ang p5.5 model railway power controller, connecting the positive terminal to mild ...

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 ...