Quote:
Originally Posted by Letsgodiving
Helium has no color, odor or taste.
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Maybe someone that actually knows about this could post something. For some reason, I thought dive watches were filled with helium. I doubt that's likely. So why a "helium" relief valve. Does the helium content in air act differently under pressure than nitrogen, oxygen or any of the trace elements in air?
Do you operate the valve or does it operate on it's own? How do you know that you need to do it? Do you just vent after each dive?
On a side note, have any of you seen the dive watches filled with liquid (incompressible) to avoid this problem?