Re: Body builders and freediving?
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I personally don't want use any of these things - no matter if in gym or underwater.
BTW - you can go with pure oxygen down to at least 30 ft - for example some scuba divers use pure oxygen in this depth as decompression gas.
Edit: not at least to 30ft - in fact it's limit depth for pure oxygen
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"Keep very still, for the strangest things are about to happen."
Last edited by sheepeck; January 3rd, 2008 at 20:24.
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