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Old 11-20-2007, 11:11 PM   #1
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Default Freezing to boost alcohol?

I have heard of freezing beer after fermentation and removing some of the water to boost alcohol content and flavor. Is there a specific method for this? I only ask because I accidentally added too much water and made a 6 gal instead of 5, making the OG lower than I had intended.

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Old 11-20-2007, 11:13 PM   #2
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I would not recommend it. Just enjoy your session beer and work on getting your measurements down.

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Old 11-20-2007, 11:15 PM   #3
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You might want to do a google search for "freeze distillation". A quick wikipedia look shows this:

Today, freeze distillation of alcoholic beverages is illegal in many countries because a number of by-products of fermentation (fusel alcohols), which are mostly removed by heat distillation, tend to accumulate to an unhealthy level in freeze-distilled beverages.

The best-known freeze-distilled beverages are applejack and ice beer. Ice wine is the result of a similar process, but in this case, the freezing happens before the fermentation, and thus it is sugar, not alcohol, that gets concentrated.

Since we won't discuss illegal activities, I don't have anything to add.

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Old 11-20-2007, 11:25 PM   #4
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I didnt realize it was an illegal practice. I definately dont want to do anything illegal. Thanks for your reply.

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Old 11-20-2007, 11:47 PM   #5
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You can remove 5% of the total volume legally. This is the maximum for an ice beer.

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Old 11-20-2007, 11:49 PM   #6
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I also vote for drink it while you plan your next brew and use it as a learning experience.

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Old 11-21-2007, 12:03 AM   #7
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It is generally referred to as EIS-ing a beer also, such as Eisbock. Here are a few references:
http://beeradvocate.com/beer/style/36/
http://byo.com/recipe/1450.html
http://www.germanbeerinstitute.com/Eisbock.html

It is not the easiest style to make basically you are making a pretty complex big beer to begin with and adding more steps to the process, and hope that you don't contaminate it in some way. I have seen a Homebrew contest that had an EIS-anything category, I wish I could have seen some of the entries in that one.


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Old 11-21-2007, 12:04 AM   #8
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Quote:
Originally Posted by Vermicous
You can remove 5% of the total volume legally. This is the maximum for an ice beer.

Is that what "ice brewed" means ? You know like "Natural Ice" or "Icehouse" ?
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Old 11-21-2007, 12:17 AM   #9
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I think so. Molson Ice, Bud Ice, and Icehouse are definitely ice beers. Not sure about Naty Ice.

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Old 11-21-2007, 03:58 AM   #10
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Naty ice is just plain gross.

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