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Green Residue
https://trombonechat.com/viewtopic.php?t=18352
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Green Residue
Posted:
Sat Dec 26, 2020 2:49 pm
by
JCBone
Lately I have been noticing a green residue on the nickel bits of my horn. It is easily scraped off. Anyone know what it is?
Re: Green Residue
Posted:
Sat Dec 26, 2020 2:59 pm
by
Burgerbob
Verdigris.