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Old 07-29-2009, 02:14 PM   #1
ChuckCollins
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Default Yeast shelf life

The Brew place gave me a Liquid Yeast with a soon to be best used by
date of 6 Aug 09 date.how long can I keep it after that date ? Thoughts'

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Old 07-29-2009, 03:05 PM   #2
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Bobby_M posted a thread about a week ago using a year old properly stored tube with a starter.

http://www.homebrewtalk.com/f13/testing-limits-yeast-viability-126707/

I've used nearly a year old tube (it was a couple months outdated and sat in my fridge for another 6 months or so) myself with no problems...The biggest thing besides applying the puke test with using outdated yeast is to Plan enough time to incrementally build up a huge starter.

Just like we can build up a starter by harvesting a scant few cells out of a bottle, outdated yeast can be used, because you will reproduce the healthy still alive cells.

My lhbs sells outdated tubes and smack packs dirt cheap....

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Old 07-29-2009, 03:09 PM   #3
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It's bad send it to me!!!!!!

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Old 07-29-2009, 03:30 PM   #4
ChuckCollins
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Cool you can have it.
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Old 07-29-2009, 03:38 PM   #5
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I got the overflow of my last batch in a 1 gal jug, I threw a tube of 3rd gen. 1 year old yeast in it and its doing good. The tube sat in back of fridge for a year. forgot all about it.

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Old 07-29-2009, 03:42 PM   #6
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If you're concerned about it's viability, just culture the yeast through a few starters and washes until you're ready to use it. But I don't think it's needed, as has been said, just make a started and you'll be good to go.

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