-=> Quoting Jay Hanig to Helene Mainville <=-
 JH> 02 Sep 95 19:20, Helene Mainville wrote to Roland Stephens:
 
 HM> Hi Roland, I'm not sure if you should buy a special regulator for colder
 HM> waters. The practice here is to do so if one plans to dive under ice or 
if
 HM> the air is below freezing. I would think that below freezing temperature
 HM> could create problems. I have not tried cold winter diving yet. Maybe,
 HM> when I'm old enough to not feel anything! Helene.
 JH> The air doesn't have to be at or below the freezing level to be able
 JH> to freeze up a regulator.  Moisture present above the freezing level
 JH> may freeze if the regulator is tested prior to the dive by depressing
 JH> the purge button.  As the pressure drops across the venturi, the
 JH> temperture will also drop. 
 JH> I avoid all this by diving in the Caribbean.
     From what I'm told, a little bit of VODKA inside the second stage
     prevents freeze up !!! I know it works in the third stage...8^)
                                      Dave
 
... Catch the Blue Wave!
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