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I Forge Iron

Green Copper Patina


meco3hp

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Green copper patina #2

1 Tbsp ammonium chloride (sal ammoniac)(shave it off of a block)
1 Tbsp salt
1 oz. ammonia
1 qt. water

Mix in a plastic container using warm water, it will help dissolve
the particles. Use of bottle water is recommended but tap water will
work. The copper must be clean and dry. Spritz the metal with a
pump spray until it is uniformly wet with the mixed solution.
Allow it to dry naturally in a warm dry spot. Trying to speed up
the process will result in a flaky patina. When dry, respray and
again allow to dry. Repeat process at least four times.

Remember to take the proper precautions when working with chemicals.

*

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