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> Steve: > Why water in your first stage? > This can only happen three ways. > <SNIP> I overhauled the reg after the ice diving trip. There were water dropletes on the HP seat, O-ring and in the HP chamber. The reg was used the week before in Cozumel. The divemasters there will dissasemble your gear for you if you don't stop them. They still use the disproven method of "blowing out" the regulator. I think that's where I got the contamination. The filter showed definite signes of salt water contamination. > > Moisture in the first stage can definitly cause freezing but moisture in > the second stage only will only cause flying ice chunks in very cold water. > >From experience, on ice dives keep your tongue in front of the mouth piece > as the ice chunks hurt and burn if inhaled. I have never used the first > stage anti- > freeze cap and have never had a first stage failure. I have had an ice block > form around the reg and valve that had to be hammered away to change tanks, > but this usually happens immediately on surfacing and not underwater. > My Odins have shot ice BB's at my tonsels on occasions, but that's one of the minimal hazzards of ice diving. > > Ian > you wrote: > > >I did an unplanned experiment in Feb on reg freeze ups. I was diving > >in Lake Winnippeaukee. The air temp was approx 10F. I am using two > >Odins, on an H-valve. One had been serviced the day before the dive, > >the other had approx 60 dives since service. The one with the dives > >on it froze, the freashly serviced one didn't. Out of curiosity, > >I serviced the one that froze. There was a small amount of water > >in the first stage. Stephen Galperin
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