Belgium Yeast Strains Pitch Rate

Discussion in 'Homebrewing' started by InVinoVeritas, Nov 23, 2015.

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  1. InVinoVeritas

    InVinoVeritas Initiate (0) Apr 16, 2012 Wisconsin

    Yesterday pulled a thieve of a Tripel, first time brewing this style, I made about 9 weeks. I added a good amount of spice, ginger, orange peel, grains of paradise and coriander. I missed my OG and through than the flavor was going to be off balance between yeast phenolics and spice. However, I like where it’s going, just needs a little more time.

    Because I intended higher OG, I made a bigger starter. I’ve always heard, common place with Belgian styles, the feedback that low pitch rates strain yeast, resulting in yeast throwing off more phenolics. However, I’ve also heard this is misleading, as although pitch rate is generally lower, greater care is taken with yeast health. How do you manage your Belgium yeast? Good yeast health with a starter, with a smaller than “normal” pitch rate?

    As a side note, since fermentation temp also matters for this specific. Free raise hitting mid 80s internal during until high krausen and then as activity slows, hold control at 75 for 4 weeks.
     
  2. VikeMan

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

    Belgium has evolved a buttload of yeast strains. If you say which one you're using and what your own goals for the beer are, people could probably give you some useful input. Beware broad advice like "Belgian strains should be under-pitched."
     
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  3. wspscott

    wspscott Pooh-Bah (1,958) May 25, 2006 Kentucky
    Pooh-Bah

    I have only brewed a couple tripels (used 3783). I tried to pitch a good amount, not under-pitch, not over-pitch. In all cases, I ended up with the typical characteristics you would expect for a tripel.

    I have done a lot more saisons (dupont dregs and 3724 and others). Same story as above. I suspect many of the people who bitch about 3724 and stalling have under-pitched.

    Like you, I have seen people suggest that stressing yeast is a good idea for a belgian yeast, but I have not seen anything that I would consider anything more than hearsay.

    TL;DR I treat belgian yeast like yeast and I try not to abuse it.
     
  4. Brew_Betty

    Brew_Betty Initiate (0) Jan 5, 2015 Wisconsin

    Since you added a bunch of spices, I don't see why you would want to focus on phenols. Since you pitched big and fermented hot, spicy phenols should be low and fruity esters should be high.

    The "ideal" pitch rate depends on the yeast strain and what you want to achieve. What the yeast produces also depends on oxygen, OG, fermentation temperature and mashing schedule. Low pitch rate and no oxygen can produce some rustic qualities that some people appreciate and others consider to be a poorly made beer. High pitch rate and plenty of oxygen can produce a cleaner beer that can still contain moderate esters and phenols. Some would consider the result to be perfect and others simply say, meh.

    I use various pitch rates, oxygen levels, fermentation temperatures and mashing schedules to achieve what I want to get from the yeast. One constant is I always make a starter and use nutrient even with low pitch rates.

    So what did you hope to get from the yeast that didn't happen?
     
  5. NiceFly

    NiceFly Initiate (0) Dec 22, 2011 Tajikistan

    I would say this is a very good place to start. I do not know how you determine your starter volume vs yeast production but as long as you stay consistent it should not be a problem.

    Lower pitching rates produce more/different yeast character than pitching on a cake as far as WY3787 goes I can tell you that from experience.
     
  6. InVinoVeritas

    InVinoVeritas Initiate (0) Apr 16, 2012 Wisconsin

    I think I wasn't successful in communicating topic. I don't have a problem needing to be solved or a specific desired character of the yeast. Rather, I wanted to more generally understand how others manage yeast and what yeast triggers do what. @Brew_Betty, this is exactly where I'd hope conversation would go.
     
  7. JackHorzempa

    JackHorzempa Grand Pooh-Bah (3,375) Dec 15, 2005 Pennsylvania
    Society Pooh-Bah

    I don’t have any specific comments on pitch rate but an important variable for Belgian Ale yeast strains is fermentation temperature.

    You might be interested in reading this chart from White Labs: http://www.whitelabs.com/files/belgianchart_0.pdf

    Cheers!
     
  8. VikeMan

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

    ^^^ @fishtizzy you might find this link interesting in regard to your question about magic formulas for yeast temps in the other thread. I haven't had a chance to take a hard look at the chart, but it should give you some idea of the possibilities that exist for strain and temperature combinations.
     
    fishtizzy likes this.
  9. Brew_Betty

    Brew_Betty Initiate (0) Jan 5, 2015 Wisconsin

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