How to Create Black Patina


If you want to change the look of brass, bronze, iron, steel or copper, you might want to try adding a patina. Patinas give metals an antique or weathered look that is desirable in certain settings, as sometimes new and shiny finishes detract from the beauty of an object. Patinas are created by mixing chemicals before applying them to the metal. Available colors include blue, green, brown, red, purple, white, yellow and black.

Things You'll Need

  • Rubber gloves
  • Detergent
  • Methyl alcohol
  • Plastic bucket
  • 2 oz. ferric nitrate
  • 1 pint distilled water
  • 1/4 oz. sulfurated potash
  • Stick or spoon for mixing
  • Rags
  • Put on rubber gloves and clean the object well with water and detergent. Rinse and dry with a cloth or rag. Apply methyl alcohol to the surface with a rag to remove any traces of dirt or oil.

  • Place two ounces of ferric nitrate in your bucket. Add one pint of distilled water, followed by 1/4 ounce of sulfurated potash. Mix this together.

  • Apply the mixture with a rag over the entire surface of the object. Try to apply it as evenly as possible. Allow it to dry for at least 30 minutes before applying another layer, if a darker look is desired. Allow the object to dry before use.


  • Photo Credit Jupiterimages/ Images
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