i'm no expert so don't listen to me but i think that's oxidation. you gotta use something abrasive and clear off a bit of the lathe or whatever is on the top idk i forgot
also
Quote:
Originally Posted by bobby__johnny
Damo, i ask this knowing you had a similar (if not the same) cymbal. My 18" Carmine Appice Sig China, being made of an alloy other than Bronze, would your detergent method still be safe for the alloy?
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same cymbal imaginary rep