MarlinTheBrewer
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Just an observation that the dry yeast recommendation appears to be fixed at one package regardless of the age of the yeast. I entered a package date of 2001 and the software says the viability of the yeast is only 5% but still suggests that only 1 package is required for the batch. Wouldn't you think that five, or ten, or even twenty packages might be required if there was only 5% viability left? It also appears that dry yeast never has less than 5% viability -- I can enter the yeast date as 1970 and it is still 5% viable. Note: I don't really have yeast this old, but as the viability drops I would expect that using more packages of yeast would make sense.