Best way to clean old copper coins

best way to clean old copper coins

Vinegar (or Lemon Juice) and Salt This method is the best way to clean your pennies, and it will produce a very bright orangey-copper color on. Steps · 1. In a small container, place a small amount of table-salt (1 gram is plenty​). · 2. Add enough acetic acid (vinegar, white vinegar is most recommended) to. Copper oxide dissolves in a mixture of weak acid and table salt-and vinegar is an acid. You could also clean your pennies with salt and lemon juice or orange.

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Metal Detecting Hack: How To Clean (or ruin) Copper Coins - Aquachigger Shine the coins to make them look better. In about a minute, your penny will turn from dull brown into bright copper color. Something like a penny for example. Stir the salt until it dissolves into the vinegar. Dip one penny halfway into the liquid.


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