Quote:
Originally Posted by spearthebigones
I dive alone all the time and I never worry about blackouts. I mostly dive shallower than 30ft, rarely stay down longer than 45 seconds, never hyperventilate, and always spend ample time on the surface to recover the oxygen in my longs. In California given those conditions... I believe whole heatedly that you do not need a PFI class or a dive buddy to get out in the water for a dive.
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deeper than 33' (66' if you are well trained and disclipine). time to strap on the bubble blower.