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Re: scrubbers

Ok so for instance, I like to have the interior of my sub at 60degF.  I will do everything in my power to keep it there.  (this is currently a fanciful sub..  )  Could I use the lithium based CO2 absorbant chemicals.  My current understanding is that as a byproduct of them absoarbin CO2 they output h2o vapor.  Really I don't plan on many long dives, and from what I can tell it would be economical to use single use absoarbants.  the interior space of this sub will be fairly large...  best represented by a 3'x3'x30' long box.  That gives me 270cf of air to deal with.  O2 sensors I would presume to function corectly becasue it would be VERY easy to keep actual water off of them, and or use heated o2 elements.  The goal of this system is to provide a single 16hr dive. And i would have a duplicate system as a reserve.  

I'll have a webpage up with what I have so far in a week or 2 :)  I want critiques.