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Wyeast 1056 Viability error

McGruber

Apprentice
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Jan 11, 2016
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I'm building an IPA recipe, and am using Wyeast 1056 and 1968 (London ESB).  I noticed under STARTER within the recipe where both yeasts are listed it shows "Viability" as 5% and "Viable Cells" as 5.00 billion cells for the American Ale.  The London ESB has 96% viability and 96.00 billion cells.  When I use the Yeast tool (either by using the drop down menu, or double clicking the yeast), I am unable to change the viability of the yeast, as it is greyed out/ locked.  I know that I'm going to get a lot more than 5% of live yeast out of the smack pack  ::).  Is this a programming error, or is there some other way to change the viability?
 

brewfun

Grandmaster Brewer
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Sep 6, 2011
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The viability is related to the yeast package date. Update the date in BeerSmith to the actual package date and the viability will be corrected.
 
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