From the HBD Archive
From: mcnally@wsl.dec.com
Subject: CO2
Date: 1992-04-16 15:22:14 GMT

If you sealed your fermentor, it would either explode or else sustain a
pressure high enough to stop fermentation.

Remember that most oxygen is consumed while the yeast is reproducing in
the initial stages of fermentation. Thereafter, the constant positive
pressure caused by CO2 exhalation keeps any outside free oxygen from
entering.

The red cap on the airlock has little spacers inside of it. Unless you
pound it on with a mallet, you probably can't seal it. If you did,
it would blow off, the airlock would pop out, the stopper would pop
out, or your fermentor would burst.

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Mike McNally mcnally@wsl.dec.com
Digital Equipment Corporation
Western Software Lab

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