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Old 09-01-2006, 11:16 PM   #1
jcarson83's Avatar
Jun 2006
Springfield, MO
Posts: 928
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I have a stout that I want to add coffee grounds to on secondary. Should I boil them in water to sanitize or just throw them in? My guess is that the alcohol content is high enough that I don't have to worry about it. I was just wondering what the common practice is.

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Old 09-01-2006, 11:46 PM   #2
Mike-H's Avatar
Aug 2006
Syracuse, NY
Posts: 225
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Soak them in iodine Just kidding.... good question, would like to see an answer.

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Old 09-01-2006, 11:53 PM   #3
I use secondaries. :p
Walker's Avatar
Sep 2005
Cary, NC
Posts: 10,987
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my personal preference for handling coffee in a brew is to brew it up at a very high strength. it will gert hot enough in your coffee maker to sanitize it, but that's probably not terribly important since, as you said, the beer will already be antiseptic enough to kill the random nasty.

Oh... and I add the brewed coffee at bottling time until it suits my tastes.

whatever you do, do NOT boil it. it'll taste terrible.
Ground Fault Brewing Co.

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Old 09-02-2006, 12:16 AM   #4
Yuri_Rage's Avatar
Jul 2006
Posts: 14,296
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Boil the water (1 or 2 cups depending on how much coffee you're trying to add) WITHOUT the grounds, cool it to about 180 degrees F, add the grounds, and steep for about 10 minutes. You'll be brewing coffee and pasteurizing at the same time.
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Old 09-02-2006, 03:51 AM   #5
EvilTOJ's Avatar
Dec 2005
Portland, OR, Oregon
Posts: 6,401
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If they're whole beans, what about running them through the microwave for one minute before adding them into the carboy?

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Old 09-02-2006, 03:57 AM   #6
homebrewer_99's Avatar
Feb 2005
Atkinson (near the Quad Cities), IL
Posts: 17,796
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I don't know the answers either, but have a few questions about the practice...

1) wouldn't the oil from the coffee beans affect the brew?

2) did you compensate for the bitterness by making the brew sweeter than normal (underhopping)? In other words, is the brew already underhopped or overhopped?

3) wouldn't brewing the coffee add tannins/astringency to the brew?
HB Bill

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