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I do think there is some kind of issue to look at with your gas consumption. Either you weren't comfortable (either mentally, or with improperly balanced equipment) or your propulsion is not efficient, or something else is wrong. My beloved dive buddy, who was one of my Cave 1 classmates, has a SAC rate that's 2.5 times mine, but he makes it to lots of jump lines without any problems at all.
this time around it's the zero to hero cave course and letting students run out of gas
I'm glad you had a good class though
It was overwhelming and I'm pretty sure I stressed about it and blew through my air much quicker because of it. The intensity in the Cave 2 portion of training is incredibly higher than in Cave 1.
Get off your high horse. Sometimes things slip through the cracks when you're busy teaching/writing a DIR Sidemount CCR course the week before a cave class and live over 1000 miles from a cave. They're doing the best they can with the work ahead of them.this time around it's the zero to hero cave course and letting students run out of gas