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Old 08-15-2020, 10:54 AM
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Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
Join Date: Apr 2002
Location: Chocorua New Hampshire
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I would suggest you use black copper instead of red copper. You could also consider adding a small amount of either potassium or sodium nitrate , probably the same number of grams that you are using of the red copper. Oxygen will tend to discourage the plating you are experiencing.

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