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Originally Posted by superhornet59
B) must suck in terms of contractions. remember people your body doesnt sense how much oxygen you have, but how much CO2. higher concentration of Oxygen means at end of your dive dont expect 30% CO@ (the rest is nitrogen) but more like 95% or something. ouch.
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Not necessarily. I just tried it once but found it waaaay nicer towards the end then with air.
http://forums.deeperblue.net/forum15/thread54355.html
Perhaps it depends on various factors ? I remember Tom at his first O2-attempt saying that the contractions were awful.
Veronika
