When diving a complete unknown cave, far far far from civilization, what mix would you bring and why? Its a major effort to get to the sump with water, including 5 rappels. You have sherpas for one dive, possibly a second dive but that's not likely. Water's about 50F.
"Bring a CCR" is not really a viable answer, this assume this is OC and hp100s for tanks.
"Bring a CCR" is not really a viable answer, this assume this is OC and hp100s for tanks.