Tom, I think you are misinformed about the probability of CO2 problems from breathing air stored in your BC. The BC does not release any CO2 and the gas in it is fresh from your tank already (unless of course you manually filled it, which is almost never done). The reason you are taught not to breath air from your BC is contaminants, some people even use Clorox to kill any bacteria growing in there. As you could imagine a breath full of that could be quite unpleasant. Hope this clears things up. Any one out there knows how CO2 would get in a BC, I think you should warn US! Regards, Richard Daniel << NEVER breathe the air from your bladder. The trick is that you operate both the exhaust and the inflator button at the same moment so you breathe straight from BG. Rebreathing air from your bladder will almost certainly black you out within a couple of minutes due to CO2. Practice this skill in a pool like environment first before you think about using this skill, and it does need practice... The deal here is that your "third reg" comes from right post that does not roll of. Ever using this option would need some strange situation indeed, but still it is an option not to forget. I can imagine you can figure out these situations yourself. <g> Best, THOMAS >> -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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