Note to all you lawyers out there...the above statement is merely my opinion, and is not presented as fact, or as any better that anybody else. I am not a pro or a teacher, nor do I claim to be. I do not accept responsibility for any actions taken by anyone reading my comments. For entertainment purposes only.
Ok, I FINALLY got around to messing with the NASTY leadpipe.
I decided to try the Citric Acid method (went to Walmart in the Canning section and bought what looked like a large spice container of Citric Acid Powder.. 4 oz maybe- cost like $2 - $3)
I used 2 Tablespoons of the powered Citric Acid in about 1/2 cup of warm tap water.
It dissolves VERY easily - I mixed it with my finger just to be sure though
I pulled my main tuning slide out
Shoved a cork in the bottom (tested that it would hold water)
then poured the citric acid/water solution into the lead pipe
Let it sit there on my Trumpet stand for maybe 20 minutes or so
Then I dumped the solution out
Pulled the Cork
Rinsed with Water
and did a quick check down the tube - it was noticably better, but still not fully clean
Grabbed my pipe brushes (snake) and had at it for a few minutes
Rinsed it again
and looked down the tube --- almost PERFECTLY clean.
I am VERY impressed at how easy this was to do.
One more question for those of you that USE Citric Acid in cleaning your trumpets -- would it be safe to submerge my trumpet in a water / citric acid solution? Will this effect either the lacquer / raw brass (or other raw metals) / silver plating?
I assumed plating would be fine... was a little hesitant on the lacquer.
What about using this same idea in an Ultrasonic Cleaner??
1990 Getzen Eterna 700 Trumpet
1958 Conn 28A Connstellation Long Cornet
1945 Buescher LP 225 Trumpet
1948 Olds Studio Trumpet
Triebert Moderne / Couesnon Flugelhorn
"There are two sides to a trumpeter's personality: there is the one that lives only to lay waste to the woodwinds and strings, leaving them lying blue and lifeless along the swath of destruction that is a trumpeter's fury; then there's the dark side...." --Michael Stewart, DMA
I don't know but I think it might damage the lacquer. I'd be careful. I'm glad it worked inside the lead pipe though. :)
My repairer uses a bath of a mixture of Citric and Phosphoric acids, when I asked him the proportions he replied "I dont know, just a generous amount of each".
He has cleaned both new and vintage horns for me with no effect on the lacquer.
At home I use an approximate 5% solution of CLR, half fill a 30 litre plastic container with water and add 1 bottle of CLR (750ml) this is not an agressive solution, I have inadvertently left lacquered slides in it overnight with no damage.
Olds Supers, LA (1953), Ful. (1962)
Olds Recording, LA (1952)
Olds Studio, LA (1953)
Olds Special, Ful. (1964)
Olds Ambassador, LA (1954)
Olds Ambassador, Ful. (1973)
Bach Strads 37-(1967, 1970, 1974, 1982)
Bach Strad 72 MLV (1973), 72* (1982)
Kanstul 1500 (2002), 1502 (2008), 1503 (2002)
Kanstul 1537 (2007)
Kanstul Chicago (2000)
Kanstul 1510 C
King Liberty (1929,1929)
King Liberty 2 (1938, 1944)
King Liberty 2b (1950)
J.H. Darby 45 USA
Holton (Revelation) 1924
Kanstul 1525 Flugelhorn
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