Quote:
Originally Posted by ademite
doesn't any1 ever carry one of those small oxygen tanks like the ones used in baywatch the little yellow ones...just in case for emergencys? i understand you have to be scuba cert. to even refill them.
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No, they don't. Baywatch is no place to learn about these matters. The freedivers who blackout usually do not know before it occurs, so they would not use the SpareAir even if they had it with them. And SpareAir is really unreliable as a backup device. The regulators are garbage. They were never designed for diving anyway.
Freedivers never mix freediving with "backup" scuba units. It is dangerous to do so. The best safety measure for freediving is to know your limits and have a buddy.