Ketchup can clean copper because it contains vinegar, a mild acid that removes oxidized layers from the metal. This method ...

If you choose to polish your copper, Borman warns it will take some elbow grease to get it to a mirror-like finish. Borman says, "I polish hundreds of pieces of copper a year with a professional ...

To clean copper, wipe it down daily using a degreasing dish soap and a soft sponge. Polishing copper isn't necessary. If you do want to restore its shine, you can use a copper cream polish. Avoid ...