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Old 12-28-2011, 05:51 PM   #1
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Default Smacked a pack 3 weeks ago, still ok?

I have a Wyeast smack pack of European Ale that was smacked a little over 3 weeks ago. Is there any reason that the yeast wouldn't be viable anymore? I will be making a starter w/ aeration and stirplate.


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Old 12-28-2011, 05:53 PM   #2
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With aeration and a stirplate you'll be fine. Did you keep the yeast refrigerated by any chance? If not I'd give it a couple extra days, you probably have a lot of dead yeast in there.


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Old 12-28-2011, 05:53 PM   #3
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You'll be fine. I buy old/accidentally smacked and expanded packs from the LHBS all of the time.
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Old 12-28-2011, 05:55 PM   #4
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Check out FAQ #7: Wyeast Laboratories. Customer Service FAQs

You'll be fine with a stir plate and starter.
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Old 12-28-2011, 06:57 PM   #5
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Awesome, thanks for the help!
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Old 01-03-2012, 03:29 AM   #6
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I've got a pack from July of dennys fav 50. LHBS discounted for being old. Will this still be good?
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Old 01-03-2012, 03:32 AM   #7
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I've got a pack from July of dennys fav 50. PUBS discounted for being old. Will this still be good?
Make a starter and find out. As long as there are some viable yeast in there, you can grow more!
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Old 01-03-2012, 03:38 AM   #8
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Well its a 2.5 gal batch so usually starter isn't needed. May just pitch...wait and pitch dry US 05 if nothing happens after couple days
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Old 01-03-2012, 03:40 PM   #9
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You are likely going to be fine. There was an article a while back where some crazy scientist rehydrated some 3000 year old yeast from an ancient dehydrated beer and stepped it up enough to brew a batch.
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Old 01-03-2012, 06:58 PM   #10
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You are likely going to be fine. There was an article a while back where some crazy scientist rehydrated some 3000 year old yeast from an ancient dehydrated beer and stepped it up enough to brew a batch.
Off topic, but where did you see that article? I'd love to read that.


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