>As far as I know breathing off the BC is not taught because there is a >risk for infections caused by bacteria ( and probably some other stuff >too) that grow inside the BC. Personally, I clean the inside of my BC >two to three times a year with 'Chloramine', a commercially available >desinfectant. However, I think this is hardly enough for something you >want to breathe from. I *have* seen BC breathing taught as an optional skill in a NAUI OWI course! From memory, between 1/2 and 3/4 of the students coudl do it, but this was in the confines of a pool... I'm sure Rich can speak in more detail about disinfecting the bags on his rebreather, but I believe that the whole loop must be disinfected about once/month. Is there a # of dives limit on that too Rich, or is the time period (1/month) the only criteria??? -Carl-
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