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Old 03-16-2011, 11:26 PM   #1
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Default Did fermentation temp stop yeast?

I am in the process of brewing my 6th extract kit. It is a clone brew of Hoegaarden White ale using Wyeast #3463 Forbidden Fruit. The brewing went perfect and I was at my OG 1.050 specified for the kit. I let the activator pack swell for 3+ hours and made sure to aerate the wort. I pitched the yeast Monday night and yesterday I had signs of vigorous fermentation. Today when I got home the bubbling has almost stopped. The reason for my concern is my other brews had slower onset fermentation that seemed to last for 4-6 days, whereas this one started and slowed quick. I noticed that the temp strip on my carboy was at the highest level. Is it possible that the high temps messed up the fermentation? or am I just being paranoid and should wait and see if i hit my target FG?


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Old 03-16-2011, 11:31 PM   #2
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Originally Posted by Wolfhausen83 View Post
I am in the process of brewing my 6th extract kit. It is a clone brew of Hoegaarden White ale using Wyeast #3463 Forbidden Fruit. The brewing went perfect and I was at my OG 1.050 specified for the kit. I let the activator pack swell for 3+ hours and made sure to aerate the wort. I pitched the yeast Monday night and yesterday I had signs of vigorous fermentation. Today when I got home the bubbling has almost stopped. The reason for my concern is my other brews had slower onset fermentation that seemed to last for 4-6 days, whereas this one started and slowed quick. I noticed that the temp strip on my carboy was at the highest level. Is it possible that the high temps messed up the fermentation? or am I just being paranoid and should wait and see if i hit my target FG?
If it was a hot fermentation, it could easily ferment out in 24 hours.


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Old 04-06-2011, 06:55 PM   #3
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How did it turn out?

I just experienced some thing very similar to a batch I started Sunday night went nuts by Monday evening, upper 70's, and looked rather pooped out by Tuesday evening.

I will check my gravity tonight or tomorrow.
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Old 04-06-2011, 10:11 PM   #4
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I transferred to the secondary this weekend, and my FG was spot on based on recipe directions and everything looked/smelled good. I'm going to let it age for another two weeks or so then keg.
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Old 04-07-2011, 03:53 PM   #5
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Now that active primary fermentation is over, you should move your carboy to a lower-temperature area (50-55 degrees) if possible; leaving it in an area in the upper 70s might create some undesirable off-flavors over the course of two weeks. Exactly how high were your "high temps," Wolf?
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Old 04-08-2011, 02:27 AM   #6
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It got up to the highest temp on the stick-on thermometer on the carboy, I think like 76. Its still cool in CT so room temp in my basement now is 62. Im gonna give it some time in secondary and hope for the best.

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Old 04-08-2011, 12:03 PM   #7
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You should be fine if you move your carboy to your basement; I've had a few beers hit the high mark on my stick-on thermometers by accident as well, but after moving them to a lower temperature they've always turned out well.


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