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10gal Fermenter- Split 2ndary

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AlmostSiR

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Mar 14, 2007
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Location
Denver,CO
We did our first 10 gal batch a few weeks ago, and it's time to rack to secondary. We plan on using 2 5gal carboys. My question is, will the beer be consistent throughout the 10gallons? Over a period of time is there any separation that occurs in the fermenter? I'm slightly worried that the lower half of the fermenter will be a different beer than the upper half. Should I agitate the beer to ensure a good mix, and possibly risk stirring-up the yeast cake? Am I making sense? Or just talking crazy?
 
You're talking crazy, don't stir anything up. Thats a valid concern that the beer higher up might be different but I think its negligible. Split into the 2 secondaries and don't worry about it. If its APA/IPA, split it and dry hop with 2 different varieties to change things up...
 
I agree with Soulive. While there may be slight variations I doubt that it's enough to have any significant impact.
 
Thanks for the input. This is a porter that was based loosely around the Bourbon Barrel Porter of Northern Brewer. We're still at odds with whether or ot to add a small amount of Maker's Mark to one of the carboys. Whaddya think?
 
I used to separate my 10-12 gal batches into two bucket primaries and then two glass secondaries. Any difference between the two was not detectable to me. Now I am doing what you are doing, single primary for 10-12 gals and 2 glass secondaries. Still no differences between the two.
 
I've been splitting into two 5 gallon carboys too.
One ends up sitting in kegs/bottles for at least a year before getting served, so I really couldn't tell you the difference.
You could take a small sample when you start drawing off and a second at the end. A taste and hydrometer reading will let you know.

As far as bourbon in the secondary, I soaked dark toasted oak cubes in bourbon for a few months and drained off the bourbon. Dropped the cubes in the secondary before racking. Let them sit for a couple of weeks before bottling. Lots of compliments.
The stout was quite heavy and finished sweet, so the bourbon and oak ballanced out very nicely, quite subtle in the finish.
 
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