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Old 03-25-2012, 04:27 PM   #1
Nov 2009
Anchorage, Alaska
Posts: 368
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I just began harvesting and washing yeast to build up my yeast bank. It has been said that you might not want to harvest yeast from a really big beer.....I'm guessing this is because these yeast are stressed and not as healthy. So, how big is too big?

I have a stout with an OG of 1.080 that I would like to harvest from. I pitched a properly calculated starter on this beer and fermentation has been lovely. Am I ok to save some of this yeast for the bank? How big is too big?

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Old 03-25-2012, 05:11 PM   #2
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Hammy71's Avatar
Sep 2008
, Maryland, The Tax Me State
Posts: 5,899
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For me, it's anything above 1.050. But, that's just an arbitrary number that I use. I would think that 1.080 is pushing it though. Yeast isn't that expensive, when compared to a ruined batch.

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