Scubaroo
Contributor
I think only 4 people ended up doing the first dive - the "surface" current got deeper and deeper as the dive progressed, I was flagpoling on the anchor chain during the 40' stop. I hit 59' on the second dive.
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NetDoc once bubbled...
Don't blame NAUI for the confusion that's out there. The rule of thirds is well established (and documented in print) in the field of gas management, but I have never run across a "Rule of Halves" in gas management except on this board.