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kENO once bubbled...
i was wondering if ther a large number of scuba diver dive by themselves, and if so my question is a second reg the octpus really necessary to have if your diving alone, should i carry a spare air kit or what
You get about as many seconds out of a 1.3cuft Spare Air as you get minutes out of an AL80.Bluefish once bubbled... you should have a great deal of experience, and the spare air is a given.
MechDiver once bubbled...
The question itself says you're not ready to solo dive. I suggest you re-evaluate your reasoning.
And a "spare air" is not a given for anything
MD