Break out the Sodium Chloride, Ammonium Hydroxide and Ammonium Chloride. All-City‘s got some new copper parts that are begging for a nice purple-hued patina. Head to your LBS because these are limited.
![All-City: Copper Parts Dropper](https://media.theradavist.com/uploads/2012/05/IWantTheCopper.jpg)
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Break out the Sodium Chloride, Ammonium Hydroxide and Ammonium Chloride. All-City‘s got some new copper parts that are begging for a nice purple-hued patina. Head to your LBS because these are limited.