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Brian,

Although I have not switched a reg. from one tank to another I did have
a reg. loosen up from a stage bottle.  My mistake as I didn't check it
before getting in the water (last time I did that).  Although the yoke
did not "fall off the tank" it was loose enough to rattle around when I
turned the gas on.  The first stage flooded (as I found out during the
rebuild) but it did flow and I used it for more than 1 hour of deco.  It
was my O2 reg. so I guess that puts to rest the subject of O2 cleaning
unless sea water is suitable for O2 cleaning....  And I thought Simple
Green was cheap!!  :-)

Although I don't know for sure but I don't think the depth had anything
to do with it.  Maybe I'm wrong....

Art.

		-----Original Message-----
		From:	Brian Nadwidny [mailto:nadwidny@ho*.co*]
		Sent:	Wednesday, March 24, 1999 3:39 AM
		To:	techdiver@aquanaut.com
		Subject:	Switching regs underwater

		Today I was discussing some of the various philosophies
for equipment
		configuration at my local diveshop. One of the things
that I mentioned was
		that I had seen the idea of switching regs from tank to
tank underwater in
		case of failure. Well that brought about much laughter
and derisive
		comments that regs can NOT be switched underwater. They
said, among other
		things, that the sintered filter would be fouled and
wouldn't allow enough
		gas to pass to the first stage for it to function
correctly. 

		From what I've been reading over that last few months,
UW switching of regs
		from tank to tank is part of the DIR philosophy so I
just assumed that it
		was not a problem. So what I want to know is, has anyone
switched a reg
		from tank to tank underwater? What happened? 

		 I have an old reg that I'm willing to sacrifice in my
quest for knowledge
		but I thought I would ask here first.   

		Thanks in advance for any information

		Brian
		Canada
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