If you want to learn how to clean metal, first you must identify what kind of metal you’ll be cleaning. There are many different types and each has its quirks. Stainless steel can be stained. Cast iron cookware hates soap and sometimes requires seasoning. Brass and copper form a protective tarnish, and removing this may remove value. Silver can be cleaned using a nifty chemistry trick. Clean, shiny gold can get you laid, robbed, or both. As you can see, metal cleaning isn’t a one-size-fits-all affair. Read my latest article on how to clean metal for straight-forward advice, eco-friendly strategies, green metal cleaning products, and fun facts that can later be used to wow friends.