How to Clean Copper Without Chemicals
There's no need for harsh chemicals to clean your copper. Two simple pantry staples will do the job with this quick tip for cleaning copper.

Don’t bother with nasty chemical cleaners to clean your copper bowls and cookware. Vinegar and salt will do the job. Make up a solution of two parts salt to one part vinegar and rub it into the metal. Rinse it off with water and dry thoroughly.