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>My regs are all Sherwood Blizzards (1994 model), and I haven't yet had a 
freeze up,
>but I wish to know if anyone has used these and has any opinions of them.  
I've only
>done a handful of ice dives, but I plan to do a lot more in the near future 
and have no
>wish to use equipment that is not going to perform reliably.  Also, is it 
possible to
>environmentally protect these regs with the positive pressure air bleed 
first stage?
>Supposedly these regs were designed specifically for extremely cold water, 
but so far
>I have heard conflicting opinions on their performance.
>
>-Sean T. Stevenson


Sean,

I have made a number of ice dives, using both the Blizzard and Maximus.  On 
two occassions I have had to deal with free-flow problems using the 
Blizzard, no big problem.  On both occasions water temp was between 34 and 
36 degrees.  I have since purchased the Maximus and have had no problem with 
it of any kind.

Hope this helps.

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