Extended Mashing Time

Discussion in 'Homebrewing' started by GardenWaters, Dec 20, 2013.

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  1. GardenWaters

    GardenWaters Initiate (0) Jan 8, 2012 Illinois

    Hey BA, just wanted pose a quick question regarding mashing.

    Tomorrow I plan on brewing an IPA, which I've been planning for a week. Then last night, I found out that I now have something to do tomorrow around noon. I was really hoping to start my brew day early (around 9 or 10 o'clock). I was wondering if I could mash my grains before I leave the house, and leave them in the tun for about 4 hours, then sparge and collect my running when I return back home? Is there any reason why this wont work, or anything I need to take into consideration if I want to do this?

    (I'm mashing 12lbs of grain in my 5 gal igloo cooler (which I will upgrade to a 10 gal very soon), and I know that I only lose 1 degree after a 60 min mash). Thanks!
     
  2. utahbeerdude

    utahbeerdude Maven (1,374) May 2, 2006 Utah

    You will likely get a more fermentable wort, while your efficiency may or may not change.
     
  3. jbakajust1

    jbakajust1 Pooh-Bah (2,552) Aug 25, 2009 Oregon
    Pooh-Bah

    I leave my mash for 10 hours every brewday and make some great beers from overnight mashing. Fermentability is a little higher (a few GU points), and my efficiency jumps like 5-8%.
     
  4. beer272

    beer272 Initiate (0) Sep 23, 2009 New Jersey

    Nice hint jbak' I mash not as long now. I only parti-gyle inside, so the 2nd runnings will sit there while I boil and cool the wort to pitching temps in the boil pot. Got ugly last night as did 3 runnings this way, only difference is I left 3rd runnings cooling at 4 AM!
     
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