| I wonder if the use of a full face mask would make the lowering of the requirements more likely or safe?
The prime reason I bought a FFM was because of my concern of suffering from hyperoxia (having a fit due to oxygen toxicity) - I was over reacting to the danger but stuck with using the FFM anyway.
Unlike using a standard scuba rig the FFM remains fixed to the user whether they are concious or having a fit. Also, they are very difficult to dislodge by just knocking them (MUCH MUCH harder to dislodge than a ½ mask).
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Citius, Altius, Fortius? No: Lower, Slower, Fatter. |