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Drew M. Mooney wrote:

> On an upcoming trip I plan on bringing a plain jane and a Nitrox
> tank.
> Assuming worst case scenario, fill stations will ALL be doing
> partial
> pressure fills. So, without renting a tank, that leaves me with one
> tank
> of eanx, and one tank of air.
>
> Question: Is it more desirable to make the Nitrox (assuming
> adherence to
> applicable MOD/EAD/OxTox limits) dive first, minimizing N2 loading
> up
> front, followed by a shallower dive on air, (correctly crossing to
> air
> tables for the repetitive dive) OR should I do the air dive first,
> on
> air tables, crossing to the Nitrox tables for the second dive?

I personally would prefer to dive on nitrox first, then air. My
reasoning:
I can do the dive I want to, have a shorter surface interval, feel
better after the dive.
Then I do the air dive. I do not have to worry about surface intervals
afterwards, as it would be my last dive for the day in any case. Now the
nice lethargic feeling can take over, I can have my "toot" and relax in
general.

Don't know, just my way of looking at this scenario. Remember to never
forget that you should enjoy your diving!

>
> I seem to remember a thread wherein the various Jasons argued back
> and
> forth about the advantages/disadvantages of up-front loading, etc.
> And I
> thought this would make for some interesting discussion. When I get
> home
> to my tables, I'm gonna work up some profiles from both angles, just
> to
> see what happens.....

Please let us know!!

Regards,
Michael

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