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Old 12-16-2009, 09:10 AM   #1
Oct 2009
Hamilton Ontario
Posts: 86

I read somewhere that guiniess uses isinglass to clear it out... but I got to wonder with such a dark black stout goes isinglass really matter?

Im making my first stout right now and have some isinglass left over from my last batch that I was going to add to it, but is it even worth it?

I mean, its dark and black... so....clarifying it will make it dark and black and clearer black somehow?
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Old 12-16-2009, 11:15 AM   #2
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Sep 2008
Chicago, IL
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I agree with your thoughts. Just sit back and relax. (oh, and also don't worry and have a homebrew )

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Old 12-16-2009, 03:28 PM   #3
Nov 2009
Manchester, NH
Posts: 508
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I actually had this thought last night, my second brew came out really dark, and I started to worry about chill haze and if I had done enough to clarify the beer, then I thought. . . with such a dark brew who cares?

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Old 12-16-2009, 03:46 PM   #4
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Nov 2007
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When clearing a beer you are basically filtering "something" out of it to make it clear. Perhaps Guinness doesn't want any particular flavors that that "something" may give.
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Old 12-16-2009, 05:32 PM   #5
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Oct 2005
Oak Grove, Oregon, USA
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There is a very noticeable difference between a cleared stout and one that hasn't been cleared. Filtering/clearing also stabilize the beer's flavor. As far as shades of black, ask any Goth or fashion designer.
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Old 12-17-2009, 01:12 AM   #6
Dec 2008
Sunnyvale, CA
Posts: 279
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To agree with the comments already made, the main reason larger brew companies filter their beer is not for clarity but to remove any little buggers that will affect flavor stability, or, er, drinkability.

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