Bach 25 MP and Tarnex

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Posted by JRTapes on October 08, 1999 at 12:26:42:

I came across an old Boosey and Hawks 3 valve compensating tuba which was black from sitting around too long. I has a Vincent Bach 25 mouthpiece, which was also black.
I used Tarnex (as seen on TV ) on the mouthpiece, which got rid of the black, but left the mouthpiece a white-ish color.

Questions : What can you tell me about a Bach 25 mouthpiece ?

Anyone else ever used Tarnex ? Do I need to now buff things to get a shiny silver ? Or is it possible the finish is just ruined from being corroded so long ? There is no brass showing through on the mouthpiece.

Is it advisable to continue to use Tarnex on the rest of the horn ?

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