Averagely Perfect Dubbel - Poll #29 - Fermentation Temp Profile

Discussion in 'Homebrewing' started by VikeMan, May 19, 2018.

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What should be the basic fermentation temperature profile?

Poll closed May 20, 2018.
  1. Ramp

    77.8%
  2. Step

    11.1%
  3. Some combination of ramp(s) and/or step(s). (i.e. at least two "things")

    11.1%
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  1. VikeMan

    VikeMan Grand Pooh-Bah (3,067) Jul 12, 2009 Pennsylvania
    Pooh-Bah

    -> Poll #28 <- determined that there will be no single fermentation temperature, and that the fermentation temperature profile would be some form of ramp(s) and/or step(s).

    This poll will determine the basic fermentation temperature profile. For the purposes of this poll, a Ramp is defined as pitching yeast at a particular temperature and letting it rise naturally and/or via temp control to some other temperature to finish fermentation. A Step is defined as pitching at a particular temperature, holding it there for some amount of time, and then raising it to a second temperature to finish fermentation. Please see the awesome illustration below.

    [​IMG]
    If you select the "combination" choice, specify what you mean in a post.

    For those looking ahead, the next poll(s) will look at the actual temperatures for the ramp(s) and/or step(s).

    This poll will be open for 48 hours.

    If you have issues with or suggestions for methodologies used in this project, please send them via beermail. Let's keep the threads themselves on topic to the question at hand and not about how you would have asked the question differently. Lobbying for votes and intelligent discussion of each choice's relative merits is encouraged.

    The Averagely Perfect Dubbel Recipe so far...

    5 Gallons into the fermenter
    Target ABV: 7.0%
    OG: 1.065
    FG: 1.012
    IBUs: 24 (Tinseth)
    Yeast: Wyeast 3787 or WLP530
    Mash (recommended): 60 Minutes @ 152F
    Assumed Mash Efficiency: 70%
    Boil Length (recommended): 60 minutes

    Grains/Fermentables:
    ---Belgian Pilsner Malt (86%)
    ---D-90 Syrup (8%)
    ---Caramunich (4% Total)
    ---Special B (2%)

    Hops:
    60 minutes: Styrian Goldings (1.2 ounces, 5% AA)
    10 minutes: Styrian Goldings (0.5 ounces, 5% AA)
     
  2. VikeMan

    VikeMan Grand Pooh-Bah (3,067) Jul 12, 2009 Pennsylvania
    Pooh-Bah

    No clue what happened to the first three letters of the subject line. @jbakajust1 can you fix that?
     
  3. MrOH

    MrOH Grand Pooh-Bah (3,995) Jul 5, 2010 Virginia
    BA4LYFE Society Pooh-Bah

    Start fermentation at 66F, hold for 2 days, then ramp up to 72 over the course of two days and hold for the remainder of fermentation.
     
  4. dmtaylor

    dmtaylor Savant (1,149) Dec 30, 2003 Wisconsin

    Step is easier. I don't have any fancy temp control equipment. But I'm probably the rare exception I guess.
     
  5. pweis909

    pweis909 Grand Pooh-Bah (3,250) Aug 13, 2005 Wisconsin
    Pooh-Bah

    My temp control gear isn't too fancy. A single stage ranco hooked up to a heat wrap. Since there's no temporal programming, ramping becomes a collection of manual steps. Not a huge deal, but let's honor the KISS principle when we vote on details.
     
  6. Granitebeard

    Granitebeard Zealot (549) Aug 24, 2016 Maine

    I have a heat pad, but I prefer to chill it down then let it rise up to what ever temp I want.
     
  7. Brewday

    Brewday Zealot (721) Dec 25, 2015 New York

    Going to open ferment so i'm not sure what will happen with temps.
     
  8. VikeMan

    VikeMan Grand Pooh-Bah (3,067) Jul 12, 2009 Pennsylvania
    Pooh-Bah

    Ok. Looks like we'll be pitching at temp X, then increasing to temp Y over a period of Z days.
     
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