We had a couple of regs freeflow in a 39 degree f. lake this summer so I
called Oceanic and they told me that even their regs with cold water
environmental kits are only rated down to 49 degrees f. I'm curious if  you
guys have tested the oceanic regs with the new DX-3 diaphragm !st stages,
not the old diaphragm style?
----
David
Central Washington Scuba Center
www.cwscuba.com
----


>Some of the regulators on this test has to few dives on them to give a good
picture of the reality.
>What i have found though from my experience and divers i have talked too is
that there seems to bee a few regulators which are better than others for
cold water.  Apeks TX40-50 works very good. We have made thousands of dives
with it and only 2 or 3 freeflows to date. Poseidon regulators also works
great for cold water but
>they have other problems such as among other things a poor breathing 2nd
stage.  All the Scubapro regs i have tested worked very poor in cold water.
The worst being the R-190 and G-250 together with the mk-20 first stage. At
least 50% chance of freeflow. The problem seems to bee with the first stage
because the G-250 works
>good together with a Poseidon first stage.  Scubapro might have solved the
cold water problem with the new mk18. I have herd promising reports from
divers involved in testing it.
>All the Spiro regs except the Arctic model are totally unacceptable for
cold water. The Mares Abyss reg seems to work OK.
>
>My own listing of good cold water regs:
>
>Apeks TX50
>Poseidon Cyclon and Jetstream
>
>Acceptable regs:
>
>Spiro Arctic
>Mares Abyss
>Scubapro 2nd together with poseidon 1st stage
>Scubapro D400
>
>Unacceptable
>Spiro XR2 cryo
>All Osceanic regs
>Scubapro R-190 G250 together with MK10 or MK20 1st stages
>
>
>The best reg over all for cold water is Apeks TX50 in my opinion. The only
competitor would bee Poseidon Jetstream (odin in the US?). But that one
breaths like a pig and is prone to failure.  I have great hopes for
scubapros new mk18 1st stage. Maybe that one can out perform Apeks?
>
>I have no experience with the sherwood regs but from the test they seem to
bee pretty damn good for cold water. How are they performing otherwise?
>
>
>
>You wrote:
>
>Good morning Christopher
>
>You might be interested in checking this posting on regulator
>performance in very cold water.
>
>http://www.aquanaut.com/bin/mlist/aquanaut/techdiver/display?20390,subject
>
>Good diving
>
>Bill Johnston
>
>Christopher Cox wrote:
>
>
>
>
>
>
>
>--
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