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	FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
		Digest Janitor: pbabcock at hbd.org


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Contents:
  RE: Aearation with pure oxygen (IT)" <stjones@eastman.com>
  RE: Gas disolving in warmer liquid (WRONG) ("Mike Patient")


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Date: Fri, 2 Sep 2011 11:52:25 -0400
From: "Jones, Steve (IT)" <stjones at eastman.com>
Subject: RE: Aearation with pure oxygen

Scott,

I've been using one of these for about 4 years with excellent results.

I have one of these that has a long SS tube with the stone attached on the
end. I put it all the way in the carboy (off to one side where I can see it)
and turn on the regulator until I see bubbles coming out of the stone. I then
move the wand in a circular fashion for about 45-60 seconds. If you see
bubbles come to the top you have the regulator turned up too high (O2 coming
to the top is a waste ... it needs to be absorbed).

Steve Jones

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Date: Fri, 2 Sep 2011 16:27:34 -0400
From: "Mike Patient" <mpatient at rta.biz>
Subject: RE: Gas disolving in warmer liquid (WRONG)

I just wanted to 2nd someone's previous post and mention that gas, meaning
O2 and CO2 dissolve easier in colder liquids, not warmer.  
So if lagering, chill it before aerating to get [slightly] better results.


http://www.elmhurst.edu/~chm/vchembook/174temppres.html

Mike


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