Quote:
Originally Posted by headquarters
Thats a question of nitrogen saturation in the blood - and that depends on the TIME you have spent on the DEPTH as well as the DEPTH alone .
At say 2-3 meters you could probably stay under for 90 minutes without other precautions than a cold beer waiting in the boat .But as depths increase , the safe -time on the depth decreases and decrompession times increases . (The need to gradually re-surface ) .
You should go to a diving site to check this out too..
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well it wasnt actually that I was looking for -
I was more interested in the various equipment needed forvarious depths -