Once the rust removal is done, the pan needs to be reseasoned. Seasoning cast iron pans protects them from the moisture and oxygen that make them rust, and also helps form the non-stick surface.

Say goodbye to cast iron rust. Shoppers say this Lodge rust eraser restores cast iron cookware to ‘like new’ condition, and it’s $10 on Amazon.

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 ...