Scubapro 109 sharp edges inside

[shimbob]

Before the Clean Air Act, the air was a lot dirtier, the molecules had dust accumulating on them and that dust would clog up the holes in the rubber.

 

[letterboy]

I knew someone would blame bush ;-)

 

[shimbob]

I blame Nixon. Watergate was him getting busted by the scuba police for diving solo.

I'm now looking for a pipe or bottle brush to give the barrel a scrub. Still some old lube in the threads.