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Looking for a material I can use to clean/dry out my valve casings that does not leave behind lint, or anything that would interrupt the tight tolerances of my piston valves. I've learned Microfiber cloth isn't the answer.

Fire away.

Would it to use a can of compressed air (like for computer keyboards) to blow out any of the extra lint?

bloke wrote:"dry" ?

With the purpose of reoiling everyone once the horn is clean.

bloke wrote:oh...OK...You're one who believes in the "don't mix oils" theory, then...??

I don't really have theories. I am only trying what I have been advised to try, one thing at a time.

Everything you have recommended aside from Slime Away, I have tried/am trying. My repair tech doesn't use Slime Away because of his personal belief of it's negative impact on the environment (my knowledge of which is none.) Asking him about lime deposits, it is his professional opinion that the horn is too new, I take too good care of it for that to be the issue. But if all else fails, I will pursue this advise as well.

I'm not here to stir up arguments, nor am I trying to cause unrest, I apologize sincerely if I have done so.

Thank you, for your knowledge and expertise.

Roadtrip to blokeville? I've done about 5 two-day drives since January. They can get boring, but they're really not all that bad, especially since gas is cheap right now.

Just seems like you might have better luck if you can get the horn to an experienced tuba specialist, especially one who's not afraid of the environment (joking).

bort wrote:
Just seems like you might have better luck if you can get the horn to an experienced tuba specialist, especially one who's not afraid of the environment (joking).

Indeed, it does seem time to outsource this to someone who works tubas full time. I've been talking with Martin Wilk and will be paying him a visit this summer.

bloke wrote:no problems on this end...

...

If they are solid dark brown (when dry) there's probably no lime, and all you're seeing (with the dark brown) is nicely-patinated brass.

For this, I am glad.

They are the dark solid brown color. Haven't seen any deposits as described.

Bloke, how would you go about mixing the pictured compound with the valve oil? In terms of parts per?

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