Posted by mike on May 06, 2001 at 20:24:58:
In Reply to: Re: Deep air and the helium effect posted by Steve on May 06, 2001 at 10:52:41:
thought they wouldn't be narked.
i posted this link a few months ago but once again, it is relevant, so i'll post it again;
http://www.divernet.com/technique/10000narked.htm
disregarding all that "extended range" training program stuff, it is most interesting to note the behavior of the divers...total CF...