Oxidized copper: how to clean it

by Corinna

When copper oxidizes, it makes sense to clean it to restore the old shine. This is very easy to do with simple means

How to clean oxidized copper

Cleaning oxidized copper requires certain techniques and materials to remove the patina and restore the original surface.

  • Vinegar and salt: A mixture of 200 ml of vinegar and 2 tablespoons of salt as well as one liter of water can be used to clean oxidized copper. Dip a soft cloth into the solution and rub gently over the oxidized areas. Then rinse the copper thoroughly with water and dry it
  • Lemon juice and baking soda: A paste made from lemon juice and baking soda is also suitable for cleaning oxidized copper. Apply the paste to the affected areas, leave it to work for a few minutes and then clean the copper with a soft cloth. Then rinse thoroughly.
  • Ketchup: Surprisingly, ketchup can also be used to clean oxidized copper. Apply a thin layer of ketchup to the copper, leave it on for a few minutes and then wipe it off with a damp cloth. Salt can also be added to the ketchup to improve the effects.
  • Professional cleaners: You can buy special copper cleaners at DIY stores, for example, which are very effective. However, they are also more expensive than home remedies.

Cautions when cleaning

Before you start cleaning oxidized copper, it is important to take a few precautions to avoid damaging the metal.

  • Try out the cleaning agent on a small, inconspicuous area first to ensure that the copper is not damaged.
  • Always use soft cloths or brushes to avoid scratching the surface.
  • Rinse the copper thoroughly with water after cleaning to remove any cleaning agent residue.
  • Dry the copper carefully to avoid water stains and to preserve its shine.

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