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When to harvest yeast

TroubleShooting

Richard Heidemann • Alleroed, Denmark asks,
Q

If you are reusing yeast for another beer, should you take it from the first or second fermenter?

A
  I always harvest and re-use our yeast (like other commercial brewers) and the accepted rule is that yeast should be cropped as soon as possible when its viability and vitality are
Response by Ashton Lewis.