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Old 02-13-2013, 02:18 AM   #1
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Default Wyeast: How Long Will It Last After Activated?

I had two packets of Wyeast. I activated both of them, I only ended up using one a few weeks ago (been since Jan 27).

The packet swelled and is still swelled in the fridge since I activated it. I assume it'll still be fine and the yeast are just cold crashed in the packet waiting to be active again. So can I just put the numbers into the yeastcalc.com with the date on the package and start a starter (the yeast date is Dec. 19th, so it would have some viability)? I plan to brew on Saturday and would use the yeast.

I bought a new package of yeast that is on it's way, so worse case I can use the old package


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Old 02-13-2013, 04:13 AM   #2
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I really don't need to use the yeast but it also seems like I'd be fine using it. I may use it in a pinch to help boost my numbers depending on when my shipment of yeast arrives.


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Old 02-13-2013, 04:18 AM   #3
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You're cool. It will be just fine come Saturday. Just use it as you normally would and same goes for the yeast calculator.
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Old 02-15-2013, 12:19 AM   #4
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i made a yeast starter with it, smelled decent enough. was more of a chunky slurry a bit rather than the typical pure liquid-y Wyeast...so should be good.
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