secondary fermentor before adding yeast?

Discussion in 'Homebrewing' started by Jay_Ulreich, Feb 10, 2014.

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  1. Jay_Ulreich

    Jay_Ulreich Initiate (0) Jan 15, 2014 Indiana

    Just reading thru How To Brew... came across this in chapter 9:1:

    If you have a vessel to use as a secondary fermenter, you can do either of two things.

    1. You can siphon the wort into the first vessel, let it sit for a few hours to let it settle and then rack to your main fermenter to separate it from the trub.
    2. Or you can pitch your yeast and let it ferment for several days as it undergoes its initial primary attenuation phase. The yeast are much busier eating the more available sugar at this point than scavenging trub, so you can wait until the bubbling of the fermenter slows way down and then rack to a secondary fermenter. Off flavors associated with sitting on the trub typically take a couple weeks to develop. Although removal of the trub from the fermentation is not critical, it is a factor to keep in mind in your quest for the perfect batch.

    What Im looking at is #1, anybody ever do this? I never have, but it sounds pretty good if you dont want to rack to secondary post fermentation... I think I might try this next time. Any thoughts?
     
  2. ssam

    ssam Pundit (997) Dec 2, 2008 California

    Or... You can whirlpool or filter out the trub as you go to primary.
     
  3. Jay_Ulreich

    Jay_Ulreich Initiate (0) Jan 15, 2014 Indiana

    I believe they mention doing that before even doing this in the book. I just thought as an extra way to get even more trub out it was a cool idea. I find something new every time I skim thru this book, I never get tired of it :rolling_eyes:
     
  4. GardenWaters

    GardenWaters Initiate (0) Jan 8, 2012 Illinois

    I actually did this with my last batch. It was an extract brew that was given to me free, so I brewed it up (I recently went AG). After chilling, I noticed all the trub/break material was floating around in the pot and didn't settle, which seemed kind of odd. When I transferred to my carboy, I filtered the wort through a mesh strainer, which didn't help much. Needless to say, I ended up with a good 4" of trub in my fermenter. I let it settle for a few hours, then racked into another carboy. I ended up with slightly under 5 gal, but I have no regrets.
     
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  5. Jay_Ulreich

    Jay_Ulreich Initiate (0) Jan 15, 2014 Indiana

    Awesome. I normally compensate for lost volume and compute that into the FG, so this is what I was looking for. Glad it worked well for you. I appreciate it!
     
  6. messyhair42

    messyhair42 Initiate (0) Dec 30, 2010 Colorado

    Since I use a counterflow chiller I get the trub in my fermenter. I don't worry about it at all, I haven't picked up any off flavor from it, even being in contact with the beer for 4+weeks. It settles out with the yeast and I leave it behind.
     
  7. hopfenunmaltz

    hopfenunmaltz Pooh-Bah (2,635) Jun 8, 2005 Michigan
    Pooh-Bah

    German brewers do this, I forget the name for the settling tank.
     
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