ramm1121
New Member
How long should the yeast be stirred on a stir plate before pitch it?
It really all depends on if the yeast has any activity.
For example: I had some Wyeast 1056. That was 2 years old. It took 7 days before the yeast finally came to life. But when it did it went fast.
But typically with a fresh smack pack, let the container swell then put on the stir plate for 2 days-ish.
If you made a stir plate big enough to mix your fermenter, could you not aeorate your wort?
According to wyeast 18-24 hours; longer than that and you stress the yeast. this is assuming healthy yeast that begin fermenting promptly though, older yeast that takes a while to start would need to be accounted for the lag.
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