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-   -   Wyeast: How Long Will It Last After Activated? (http://www.homebrewtalk.com/f163/wyeast-how-long-will-last-after-activated-389662/)

bradfordmonk 02-13-2013 01:18 AM

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

bradfordmonk 02-13-2013 03:13 AM

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.

BBL_Brewer 02-13-2013 03:18 AM

You're cool. It will be just fine come Saturday. Just use it as you normally would and same goes for the yeast calculator.

bradfordmonk 02-14-2013 11:19 PM

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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