Dive legend Brett P. Hemphill has died today while exploring one of the deepest underwater cave systems at Phantom Springs, Texas.
RIP to a cave diving icon.😢
The cost difference from my perspective....
living...vs probably living.
I spent a year trained to full cave in Mexico...and then wanted to be evaluated by a US cave instructor...
I then spent another year training in US...
Caves are MUCH easier in Mexico, and you learn to dive easy caves...
Thus the question.
Add Helium...
did offer some different mixes...
and it has been speculated a 10/50...however
7/70...don take off the table
check the difference in dive profile
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