Posted by Bob on January 27, 2000 at 13:32:31:
In Reply to: Quickfix for Old Tuba with a Cheap Owner posted by Randy Mac on January 27, 2000 at 11:40:44:
I have been told that Al Cass is a very light oil. You might try key oil or a valve oil appropriate for a student horn. They have higher tolerances and need heavier oil.