There are different schools of thought about the “best” way to manage gas volume when cave diving with stage bottles. The so-called traditional method is to treat the gas carried in stages, exactly as the primary gas supply: breathe one-third on the way in; one-third on the way out; and leave one-third for contingencies. If … Continue reading → Read More Accident Management and Analysis, Cave Diving, CCR diving, Rebreather Diving, Risk Management, Scuba Diving, tech diving, Technical Diving Doppler’s Tech Diving Blog