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George Irvine wrote:
> 
> Get to the bottom in 7 minutes, leave 30 minutes later.
> 
> 300                     30   12/70
> 
> 300-240                3 minutes
> 
> 240-190                5 minutes
> 
> 180-130                7 minutes
> 
> 120     switch to 35%
> 120        5 minutes

In the thread "105mt for 7mins" on Quest, you wrote that you
switched to TX21/35 from 190ft because it was a short dive,
and you'd use that gas on 10-15 min dives to that depth. You
also stated that you would use the 35% on much longer dives,
which is what we see in this profile.

Could you please explain why, on the longer dive, you use
the 35% and not the TX21/35? 
-- 
Oystein
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