Announcement

Collapse
No announcement yet.

Yeast propagation pitching rates

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Yeast propagation pitching rates

    Good day,

    I have a question concerning pitching rates into a yeast prop. Looking at 500-600L of wort, would a 1bbL pitchable culture be sufficient yeast for propagation purposes (as opposed to fermentation)? This is with 12-13°P wort boiled & cooled in-prop, agitator and continuous shaft aeration. Would this work?

    Cheers

  • #2
    Pitching.

    This is a handy tool...
    Joel Halbleib
    Partner / Zymurgist
    Hive and Barrel Meadery
    6302 Old La Grange Rd
    Crestwood, KY
    www.hiveandbarrel.com

    Comment


    • #3
      Thanks, but that seems more appropriate for pitching into fermentations than for propagation... by any measure a 1bbl pitchable culture would definitely be underpitching in 500-600L of wort for fermentation purposes.

      I guess another way to phrase my question would be... is there a minimum recommended pitching rate for propagation?

      Comment


      • #4
        That calculator is for propagation, you adjust your your starting pitch rate according to your desired count for the primary of the entire batch size. Wyeast recommends 6 million cells per/ml for full volume primary up to 15 degrees plato.

        Comment


        • #5
          Indeed.
          Propagate: 1/2 liter into 60 to 80 liters of 10 to 12 Plato wort and, after 48 hours, push this into 600 liters of fresh wort.

          Comment


          • #6
            Just a quick update to let you know,

            We started using a "2-3 bbl" pitchable culture into 600L of wort for propagation and it has worked well -- initial count of 1-2 million cells per mL propagating up to around 100 million in a few days.

            Comment


            • #7
              2-3 bbl is 234-351 liters. And this into 600 liters of wort? That's around two-to-one. That doesn't seem right to me. Rule of thumb is ten-to-one. That's 60 liters of high krausen into 600 liters of fresh wort. At your propagation rate, it will take many generations to get where you're going. Am I missing something?
              Phillip Kelm--Palau Brewing Company Manager--

              Comment


              • #8
                The 2-3bbl pitchable culture is enough slurry to ferment 2-3bbl of beer, not 2-3bbls of a pitchable culture. is that where we're getting confused?

                Comment

                Working...
                X