[header] How to clean and maintain a tuba [title] Read all warnings and prepare containers of water, etc. [step] Before starting. [title] Remove and disassemble all slides and valves, remembering how they go back together. 
[title] Take the body of the tuba and set it on top of a towel in a bath-tub full of warm, not hot, water and a little mild, non-abrasive soap. [step] Rub gently with a washcloth to remove all yucky stuff.