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10 min mash for Stone Smoked Porter

Discussion in 'Homebrewing' started by BeerBodisafa, Jun 24, 2012.

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  1. BeerBodisafa

    BeerBodisafa Mar 12, 2010 California

    I am going to brew this recipe out Greg Kock's book, and he says to "hold the mash at 157 for 10 minutes". Recipe for 5 gallons:

    82.5% pale
    9.5% 75L crystal
    5.5% chocolate malt
    2.5% peat smoked malt

    .71oz. Columbus @90
    .60oz. Mt. Hood @0

    OG 1.065
    FG 1.018
  2. Homebrew42

    Homebrew42 Dec 20, 2006 New York

    Maybe a typo?
  3. bszern

    bszern Aug 18, 2011 Massachusetts

    No probably not...just looked at my copy and it says to hold mashes for a bunch of their standard beers at 10 or 20 minutes. Maybe hold under heat for the time and then remove from heat? Is 10 minutes enough for proper starch conversion? I can't believe I never noticed that before!
  4. SDDanC

    SDDanC Mar 1, 2011 California

    i dont have the book, can you provide a little more information?
  5. barfdiggs

    barfdiggs Mar 22, 2011 California


    Looks like they mash at 154, but unfortunately, I can't find anything regarding mash times in the document, unless you look at the mini-mash times for the extract + mini-mash/specialty grain recipes. When in doubt 45-60 minutes.
  6. GreenKrusty101

    GreenKrusty101 Dec 4, 2008 Nevada

    My copy definitely says a 10 min mash...in fact it repeats it for the "Advance Stone Smoked Porter" on pg 165...hard to believe that's a typo. It then calls for a mashout @ 165*F...and a slow continuous sparge for an hour. So if you are mashing out and slow sparging...effectively you are doing an hour mash...just not at a constant 157*F.

    Never tried it...but I wonder?
  7. FATC1TY

    FATC1TY Feb 12, 2012 Georgia
    Moderator Subscriber Beer Trader

    Pretty odd. The longer sparging isn't unusual, they are just fly sparging, instead of batch sparging, but I don't think 10 minutes is enough for conversion. Most of it takes place within the first 20 minutes, but man thats gotten lend to a really cloudy, really low gravity wort!

    I wonder if it's a typo for the extract and partial mash... Crystal, chocolate and smoked peat could be mashed, and the small amount needed could make sense.
  8. hobojon

    hobojon Mar 16, 2008 California

    They probably do an extended recirculation at Stone, and forgot to include that in the recipe. I would mash for 60 minutes as usual. I think it is more important to hit 157 for the body and FG.
  9. dgs

    dgs Jul 18, 2005 Pennsylvania

    The Ruination all-grain recipe calls for a 60 min. mash.
  10. BeerBodisafa

    BeerBodisafa Mar 12, 2010 California

    Reading more of the recipes, the mash times vary from 10mins to 2 hours. I am staying with 1 hour, because its what I know, and it sounds like no one here has done a 10 min mash.
  11. hopfenunmaltz

    hopfenunmaltz Jun 8, 2005 Michigan

    They may do it that way. Mashing in a 200 barrel batch (Stones brewhouse IIRC) takes time. Transfering to the lauter tun takes time. Add those 2 together and the 10 minute mash and you could be at an hour.

    If you are going to brew it, e-mail the autors and cc: Mitch Steele. Post back what they say.
  12. tngolfer

    tngolfer Feb 16, 2012 Tennessee

    In his conversation with Jamil on Can You Brew It, Mitch Steel (brewmaster at Stone) says they do a 10-15 minute rest at 157 for their Levitation Ale also. Listen around the 29 minute mark. It's about 1/3 of the way through the interview. That would make 2 different styles with the same mash temp and mash time.
  13. bgjohnston

    bgjohnston Jan 14, 2009 Connecticut

    If your sparge is on the high end of mash rest temps, I could see how that might work, but with my equipment, I would just plan to use a traditional amount of time. I can understand how time is money on big time production equipment, but I think a more reliable result happens on a smaller scale with a more typical rest time.
    dasenebler likes this.
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