For light and recent stains, simply use warm water and soap . Mix water with soap and use a sponge to clean the surface. Then dry well with a cotton or microfiber cloth.
Vinegar also helps to effectively remove stains. Pour a few drops into water and apply it to metals. Remember to dry well .
One of the most effective methods for cleaning copper and brass is obtained by mixing lemon and salt. The acid in lemon is an effective remedy for shallow stains.
To clean copper well, cut a lemon in half and rub it all over the surface. Then, clean well with a dry cloth.
To clean brass you can use a solution of water, vinegar, flour and salt. Apply it with a toothbrush and scrub the surface well. Leave it to act for 10 minutes, then rinse with water and dry well.
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