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water spots and the beginnings of green corrosion

Posted: Wed May 20, 2015 2:56 pm
by Hetzer21
Looking for information on how to address two issues on a lacquered horn:

1. Water spots that resist detergent, polish, and elbow grease

2. Sudden appearance of green spots-- most certainly the product of oxidation

Looking forward to hearing the wisdom of the 'Net!