Dang Dave, you may have to make a trip.
Let's get the volunteer divers and I'll work something out. or we can just do the testing here in the lovely Catalina waters.
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Dang Dave, you may have to make a trip.
How about:
If you fill a tank with Nitrox, it must be O2 clean first or the whole shop will blow up.
or
Will water get into a tank if it is brought back on board with only 100 psi.
or
How dirty can a tank be before it will explode when filling with pure O2.
if you dive with equipment on retractors....you will die.
You lose 90% of your body heat through your head.
Don't forget diving's biggest myth: drysuits.