Author: Chris J
Date: 2010-06-01 06:32
Beware - chemicals or even just hot water can make some mouthpieces change colour.
That said, I have not had a problem with dilute vinegar. Use a white wine glass, narrow enough to put the mouthpiece in and it stays fairly upright.
Put 50% solution (one part vinegar to one part tepid water) in the glass, enough that when you put the mouthpiece in, tip down, the water comes up to, but not onto, the cork. Grease the cork well anyway, just in case.
Leave for 15 minutes and then rub and rinse off and dry. Obviously take any patch off the mouthpiece first.
If there are thick deposits, it might need to be repeated. Any hotter, or any longer, or any stronger solution you may risk discolouration of the piece. If it changes colour anyway - sorry, you were warned!....
Chris
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