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Old 01-02-2012, 05:39 PM   #1
Sulli
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Default Stirred Fermentation

Big brew on New Year's Day, my pals and I brewed up 25 gallons of a Stone IPA clone. It was the perfect opportunity for me to put my new carboy stirplate to use, to see how this will affect the ferment and the final product as well. I woke up this morning to a very happy brew closet, the beer on the stirplate had twice as much krausen and twice the airlock activity of the other beers, It was impressive enough that I took some video for anyone who's interested.

Stirred Fermenter


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Old 01-02-2012, 05:45 PM   #2
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interesting! it'll be neat to see how the stirred batch compares to the others. i wonder if it'll make a difference in the final product or just ferment out faster than the others and taste the same..


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Old 01-02-2012, 05:48 PM   #3
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Awesome!
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Old 01-02-2012, 05:55 PM   #4
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What's that taped to the conical?
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Old 01-02-2012, 05:56 PM   #5
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What's that taped to the conical?
temperature probe.
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Old 01-02-2012, 06:01 PM   #6
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carboy stirplate with no blow-off tube?

livin' dangerous.
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Old 01-02-2012, 06:09 PM   #7
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Sulli, glad you are doing this. I have wanted to try this for years now and have only done experiments with my boil keggle to see if a little stir bar could make a vortex... which it did! I pressure ferment in a Sanke, and have been wanting to try this in that situation with a cut diptube. Please let us know, as soon as you know, how this works out on an actual fermentation. I will be checking this thread with every post in anticipation. Thanks for doing the work for us, lol.

I was not so much interested with fermentation, as I am with aging/lagering being sped up through the increased surface area contact that it should provide during those stages (depending on whether you are doing a lager or ale that is). Regardless of your results, I will still hold out hope for the accelerated lagering this could bring to the table... but, still anxious to see you succeed on the fermentation part of the experiment. You The Man!
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Old 01-02-2012, 06:09 PM   #8
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carboy stirplate with no blow-off tube?

livin' dangerous.
I think the vortex should keep everything out of the airlock, but I can't wait to hear if it does or not!
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Old 01-02-2012, 06:12 PM   #9
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I just went down and checked on it, the krausen is now up to the mouth of the carboy, so I quickly put a blow off tube on. Livin' dangerous indeed!
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Old 01-02-2012, 06:17 PM   #10
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Originally Posted by WortMonger View Post
Sulli, glad you are doing this. I have wanted to try this for years now and have only done experiments with my boil keggle to see if a little stir bar could make a vortex... which it did! I pressure ferment in a Sanke, and have been wanting to try this in that situation with a cut diptube. Please let us know, as soon as you know, how this works out on an actual fermentation. I will be checking this thread with every post in anticipation. Thanks for doing the work for us, lol.

I was not so much interested with fermentation, as I am with aging/lagering being sped up through the increased surface area contact that it should provide during those stages (depending on whether you are doing a lager or ale that is). Regardless of your results, I will still hold out hope for the accelerated lagering this could bring to the table... but, still anxious to see you succeed on the fermentation part of the experiment. You The Man!
My original intent with building this stir plate was to speed up the fermentation and aging process for my meads. This beer isn't really big enough to justify the use of a stir plate but it seemed like a good opportunity to do some side by side comparisons.


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