Posted by Ken Kurtis on January 05, 2001 at 11:14:55:
In Reply to: Re: Promoting vs. Discussing/Solo posted by AADIVER on January 05, 2001 at 08:31:29:
(Frank asked) Oxtox I understand, of course, if you exceed depth limits, but you don't dive deep anyway. But "hard bottom"? What does that mean?
They're related, though maybe "hard bottom" isn't the best choice of terms.
Simply put, due to the increased PPO2, nitrox, depending on the mix %, has a depth limit to avoid going beyond 1.4 or 1.6 (or whatever number you're using). As you increase the mix %, that depth becomes shallower, effective creating a "bottom" for you.
I'm merely saying that I'm willing to accept the N2 limitations that air imposes and prefer not to deal with the oxtox and depth limitations that nitrox imposes.
NAUI Instr. #5936
Co-owner, Reef Seekers Dive Co.
Beverly Hills, Ca.
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