How to Polish Copper and Brass in Just Minutes….
One of the most effective methods for cleaning copper and brass is to mix lemon and salt. Lemon acid is an effective remedy for shallow stains.
To properly clean copper, cut a lemon in half and rub it over the entire surface. Then, clean thoroughly with a dry cloth.
To clean brass, you can use a solution of water, vinegar, flour, and salt. Apply it with a toothbrush and rub it well into the surface. Let it sit for 10 minutes, then rinse with water and dry thoroughly.