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Old 02-14-2009, 03:47 AM   #1
Hilbert
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How many hours or days can a smack pack stay activated? If I smack it and let it sit longer than 8 hours will I be in trouble?

Also, how long can a starter sit our? Let's say I pitch my starter and don't get around to brewing how long can it sit out at room temp with an airlock on?

Thanks


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Old 02-14-2009, 03:48 AM   #2
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My smack pack said to smack 1-3 hours before pitching, but to discard if not used within 24 hours.


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Old 02-14-2009, 04:48 AM   #3
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Quote:
Originally Posted by phrogpilot73 View Post
My smack pack said to smack 1-3 hours before pitching, but to discard if not used within 24 hours.
He must have shares in Wyeast I've never seen instructions that say to discard it if not used in 24 hours.

I've had many smack packs that have taken several days to swell. (They were usually a bit old). The instructions say that older packs can take longer to activate.

If you make a starter, but can't use it within a day or so, then just put it in the fridge to allow the yeast to settle out. If you can brew within a day or two, you can decant the clear water or pitch the whole starter. If it stays in the fridge for more than a week, you can make a new starter, decanting the clear water, and pitching the yeast from the original starter.

-a.

 
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Old 02-14-2009, 05:24 AM   #4

Quote:
Originally Posted by ajf View Post
He must have shares in Wyeast I've never seen instructions that say to discard it if not used in 24 hours.

I've had many smack packs that have taken several days to swell. (They were usually a bit old). The instructions say that older packs can take longer to activate.

If you make a starter, but can't use it within a day or so, then just put it in the fridge to allow the yeast to settle out. If you can brew within a day or two, you can decant the clear water or pitch the whole starter. If it stays in the fridge for more than a week, you can make a new starter, decanting the clear water, and pitching the yeast from the original starter.

-a.
I believe its not a problem. They are sterile and guaranteed by Wyeast. In fact one day is suggested for each month past the MFG day for full activation. This advice came directly from Wyeast via an email.

You can refrigerate it once its fully grown out, then just let it warm up before you use it giving it a good shake before you pitch.

If you are talking more than several weeks to months I'd make a starter just to be sure its going.
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Old 02-14-2009, 04:14 PM   #5
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On the starters, I've left starters in the fridge for a week without issue. At room temperature, I would expect a week to be fine, too. I mean, think about what you do after you pitch the starter.


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Old 02-15-2009, 06:48 PM   #6
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i've smacked and had the swollen pkg. sit out on the counter (hidden under bills) for weeks and have not had a problem. Of course i made a starter from the pack to ensure everything was ok.
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Old 02-15-2009, 07:35 PM   #7
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thanks guys
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Old 02-15-2009, 10:23 PM   #8
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Its already been said, but here is is straight from the horses mouth in the Wyeast FAQ

Quote:
7. I popped the inner nutrient pouch and the package swelled tight but I can’t use it right away. What do I do?

If you have activated a package but can’t use it right away, simply allow the package to swell and then refrigerate the package. The yeast will survive for extended periods if refrigerated. Before using, take the package out of the refrigerator and allow it to come up to room temperature before using. It is best to use the yeast as soon as possible.



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