240 feet on air? I see you like Russian Roulette! Haha.
240 feet on air? I see you like Russian Roulette! Haha.
For PSAI/SSI/SDI/TDI Diver Training or RHIB Charter in Cornwall visit - Atlantic Scuba
doubles for anything deeper than 30M huh?? I heard of the "rule" don't go deeper than the cf size of your tank, and even that seems conservative.