Green tarnish on violin bow frog

November 17, 2017, 9:11 AM · I've been playing on a nice Coda Prodigy bow for quite some time now and the steel on the frog is starting to get the hazy green tarnish. I'm a numismatist and usually on coins the green tarnish that easily cleanable with some certain chemicals. However, considering the cleaner I use for coins would most likely damage the ebony part of the frog, I was wondering if any of you guys have any idea how to clean the green stuff off of my bow.

Thanks,

Violin Kiddu

Replies (4)

Edited: November 17, 2017, 9:56 AM · Probably "nickel-silver" -
Nickel silver - Wikipedia
https://en.wikipedia.org/wiki/Nickel_silver
Nickel silver, Mailechort, German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc. Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated.

Green tarnish implies copper content. Just be careful, perhaps use a Q-tip with the cleaner and cover the hair with plastic wrap.
Maybe ask the bow tech to clean it up next time you get it rehaired.

Edited: November 17, 2017, 9:47 AM · Violin, what part has tarnish? Can you post a picture?

p.s. note that it is this forum's policy to use your real name. What shall we call you?

November 17, 2017, 11:26 AM · @Roger Hehe People have always complained about that, but considering I made this back in 7th grade, I suppose I'll stick to this name until it get taken down
Edited: November 17, 2017, 10:04 PM · Hehe, that's an unusual name! Hehe who?

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