Quote: (Originally Posted by
decoweenie)

Is your point that END @ 50m a good or bad thing for diving inside a 65m sea cave ?
Personally I wouldn't want to be at 50m on air outside a cave, much less inside. I dropped to 50m on air a few time on open circuit, but only breifly, and get pretty narked. I'd be looking for an END of about 30m.
Neil