Posted by R on December 15, 2001 at 19:28:35:
In Reply to: Wd 40 as opposed to valve oil posted by Brandon Ostrom on December 15, 2001 at 12:15:05:
DONT'T USE WD-40!!!!!!!! I used on the school sousaphone and 3 of the solder joints broke. I was then told by the band director (who took instrument repair courses) that WD-40 can dissolve solder. Watch out with that stuff.