From the HBD Archive
From: falk@Sun.COM (Ed Falk)
Subject: Re: Homebrew Digest #316 (December 05, 1989)
Date: 1989-12-05 19:06:09 GMT

> I always use one large clear glass bottle so I can see if the beer is
> clearing, and sure enough after 6-7 days it became nice and clear, about
> the color of Bass. So I put a couple in the fridge to try.
> When I went to take them out in a few hours they were very cloudy, so I
> assumed I shook them up somehow and replaced them in the fridge with some
> clear ones that I put in very carefully. A few hours later I was shocked
> to see these cloudy too.

It's called "chill haze". It's caused (I think) by insufficient boiling
of the wort. It's proteins precipitating out of solution. If you leave
it in the refrigerator for a few weeks it will clear again. I know because
our first batch had it pretty bad. I think our second batch is ok and
our third batch just got bottled so I don't know yet.

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