Posted by Nate Tuck on October 09, 2001 at 15:38:38:
In Reply to: Re: Need input to reach advanced posted by MHk on October 09, 2001 at 15:05:36:
MHK - I think this guy is talking about taking PADI advanced OW, which involves a single "deep dive" between 60'-100'. So the mix he'll be using is probably called "air".