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+--- Thread: how to test yeast? (/showthread.php?tid=1000)
how to test yeast? - rastoma - 06-10-2018
I recently received my new pack of caps and yeast. I've had a bottle of ez caps yeast for 7+ years not refrigerated. I'm sure it's bad but just for fun I thought I'd try it and see as I lost my caps during a move and haven't made anything with ez caps in years.
Well as expected after 24 hours there was no activity with the basic Welch's canned concentrate. So I added some of the new yeast I just received with my caps. But after 24 hours there's still no activity.
Then I took 2 clean cups, added some sugar and water then sprinkled some of each, old and new yeast, in their own cups. 12 hours later they look the same.
The room the 2 liter is in is 72F. The plain water and sugar used as a test was barely warm, maybe 80F.
Since its been such a long time since I've fermented anything, am I just not waiting long enough?