#20470
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Did you read http://www.divebuddy.com/forum/26829/accomplished-bad-divers/ about the diver who usually surfaced on someone elses air but not the last time?
Being new your SAC may be higher than those you are diving with so I would leave the bottom with more than you think you’ll need, one third sounds good.
Then there are the times when the whale stuff hits the prop, on a dive in the Texas Flower Gardens on an oil rig with a group of experienced divers who were returning to the boat with the minimum air found the wind was holding the boat 90 degrees to the current. The boat had a Carolina rig down, the current wraped one side line over the prop, the other was pulled way out from the remaining ladder. As 30 divers waited in line for the dash to the ladder a lot of OOA situations began, those who had left with more air and those packing ponies were okay. Many of those divers had ditched their snorkels over the years and now wished they had one, that dive is the reason I have a folding one in my pocket!
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