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Anthony, this stuff must have either gone around the diaphram or in
through the reg hose. I just left the bottles in the cave for deco and
this happened when I turned them on, and I found the fine grit inside
the reg. Maybe the enviro kit would have prevetned this.

Anthony DeBoer wrote:
> 
> <gmirvine@sa*.ne*> writes:
> > ... The
> > only reaon I ever found out here waws a problem is that I left some in
> > Sally Ward and the water has some fine grit that blocks the seat, so I
> > changed those and they failed immediately. ...
> 
> Was that from changing regs underwater, or did the grit enter through
> the back of the first stage?
> 
> Up in Canada, the dive shops tend to push the enviro kit (rubber cap and
> silicone oil on the back of the first).  Maybe it was money I didn't need
> to spend, way back when, because at least one other Great Lakes diver on
> Techdiver said his Poseidons have never frozen up without the caps, but
> the other side is they keep the crap out.  I've gone diving in some
> pretty silty/sandy/crappy water and never had any grief.
> 
> Also, I've been a bit of a bad boy and haven't gotten them serviced
> annually like I'm allegedly supposed to, so I still have the good old
> parts.
> 
> > ... They changed tehe regs twice after
> > that and made them worse and worse. When they put the HP port out the
> > side, I knew what we were dealing with.
> 
> The old hose arrangement, which I have, with the five ports coming out
> radially, was a bit of a pain back in my single tank and drysuit days,
> because at least one hose had to come almost straight up behind your
> head, but with only two or three hoses out of each first it makes a nice
> neat Hogarthian setup.
> 
> They were certainly the reg to have, back in the good old days, but as
> you say, the past number of years have been worrisome.
> 
> --
> Anthony DeBoer <adb@on*.ca*>
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