submitted 8 months ago by [email protected] to c/[email protected]

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[-] [email protected] 1 points 8 months ago

Copper carbonate -- it is greenish. The white stuff in the front is paint, I think.

[-] [email protected] 1 points 8 months ago

It'll pick up some copper oxidation on brass fittings.

this post was submitted on 03 Jan 2024

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