Change starter's OG in method C. White Shaking don't change the final result

Discussion in 'Calculator Support Forum' started by Brewer #343189, Dec 17, 2020.

  1. Brewer #343189

    Brewer #343189 New Member

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    Hi, I'm trying to use the starter calculator, but when we change the OG of the starter's wort using the C. White Shaking method, the final quantity of viable cells does not change. In the Stir Plate method it changes, but not in this one. Naturally the wort density is a crucial factor for the propagation of cells, and the same result appears for OG 1010 or 1090. What to do?
     
  2. Pricelessbrewing

    Pricelessbrewing QA Software Tester
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    Hello,

    In general, changing the gravity of your starter is not recommended. A SG of 1.036-1.037 is recommended as it's the best balance between yeast vitality (nutrients), yeast viability, growth rate, and growing in a not stressed environment.

    With that said, the C. White growth is taken from the published book below, and is simply based on some experimental data that relates growth rate to the inoculation rate.

    White, Chris, and Jamil Zainasheff. Yeast: The Practical Guide to Beer Fermentation. Boulder, CO: Brewers Publications, 2010. 139-44. Print.

    As such the only parameters are how big of a starter you're making, and how much yeast you're adding to the starter.
     

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