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In a message dated 96-09-18 23:54:11 EDT, you write: << Actually, I think the better reason to pressurize the deco reg then turn it off is to guard against that inevitable day when Murphy makes you do something dumb - like stuffing the wrong regulator in your mouth...if you can't suck in any deco mix on the bottom, you can't OD on O2. You're too great a superdiver for this ever to happen to you? Yeah, right! Ray >> Dear Ray , If you STUFF a regulator in your mouth that is not coming from the safety hanging below your neck -- I must assume that you are approaching panic. In that case you will probably (if a yoke reg ) try and turn on the valve and actually turn the yoke screw off and lose the whole dam thing -- Another method that works very well is the physical barrier over the mouthpiece -- we use surgical tubing in an O place over the mouthpiece and second stage A single for the Oxygen and a double for the EAN 36 --- and a tripple for anything deeper than 130fsw. We also keep the valve open just a crack to maintain charge with the 7" hp hose and a clean set up the risk of a free flow is minimal and we can monitor the gague at a moments glance as opposed to wondering if it pissed out. Joel Silverstein
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