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Old 09-11-2012, 01:18 PM   #1
el_horno
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Aug 2012
Durham, North Carolina
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What was the longest you have seen a batch of beer actively ferment? IE gravity continually dropping.

 
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Old 09-11-2012, 01:21 PM   #2
aiptasia
 
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Jul 2011
Them Scary Woods, FL
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Over a month, when Jamil attempted to clone DFH 120 on the "can you brew it?" podcast. That beer requires a ton of daily supplemental sugar additions in the primary. That doesn't include the diacetyl rest, just pure primary fermentation.
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Old 09-12-2012, 02:15 PM   #3
TopherM
 
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Mar 2011
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I had a lager that I fermented at 48F. It took 5 days for active fermentation to start, it took a full 14 days to get to 75% of FG, two more days of active fermentation in the D-Rest to get to FG. 15 full days of visible airlock activity.
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