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Old 06-25-2010, 02:56 PM   #1
jyuhas
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Default Fermentation time for Hefeweizen

So I about a week ago I brewed my first hefeweizen. It fermented at about 67F. All the krausen has already fallen back in, and it is barely bubbling now. Haven't taken a gravity reading yet though. I'm wondering when to bottle. Don't want to too early and risk making them overcarbonated. Don't want to wait too long either because I'm thinking the yeast make floc out which will lead to a clearer beer. Any thoughts? How do I know when is the right time?


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Old 06-25-2010, 03:02 PM   #2
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Fermentation time for any beer is not set in stone, a beer is finished when the GRAVITY is stable for 3 consequtive days. An airlock is a valve, a vent to release excess Co2 and keep beer off the ceiling. It is not a magic fermentation gauge. It only bubbles when it needs to release co2, but that doesn't mean that if it isn't bubbling fermentation is finished, the yeast are still often working, but not producing a ton of EXCESS co2.

The most important tool you can use is a hydrometer. It's the only way you will truly know when your beer is ready...airlock bubbles and other things are faulty.

The only way to truly know what is going on in your fermenter is with your hydrometer. Like I said here in my blog, which I encourage you to read, Think evaluation before action you sure as HELL wouldn't want a doctor to start cutting on you unless he used the proper diagnostic instuments like x-rays first, right? You wouldn't want him to just take a look in your eyes briefly and say "I'm cutting into your chest first thing in the morning." You would want them to use the right diagnostic tools before the slice and dice, right? You'd cry malpractice, I would hope, if they didn't say they were sending you for an MRI and other things before going in....

Thinking about "doing anything" without taking a hydrometer reading is tantamount to the doctor deciding to cut you open without running any diagnostic tests....Taking one look at you and saying, "Yeah I'm going in." You would really want the doctor to use all means to properly diagnose what's going on?


I recommend that new brewers wait a minimum of 10 days before even considering taking their first grav reading. If I take a grav reading I usually just wait til the 14th day.


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Old 06-25-2010, 05:34 PM   #3
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Take a gravity reading, check to see if it is within the attenuation range you expect, and take another reading tomorrow. If attenuation is at an expected level and the readings don't change, you're probably good to go.

I should point out, however, that another week in primary may be useful because it will allow for some conditioning and flavor improvement. Up to you, though. A hefe tends to be ready pretty quickly.
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Old 06-25-2010, 05:49 PM   #4
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i was gonna come in and warn you about a very thorough post from revvy but it looks like i'm a little late.
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Old 06-25-2010, 09:42 PM   #5
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Quote:
Originally Posted by Tinga View Post
i was gonna come in and warn you about a very thorough post from revvy but it looks like i'm a little late.
He posted that at 10:02 so I presume he's not at work today...
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Old 07-04-2010, 03:34 AM   #6
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Makes sense. Thanks for the help guys.


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