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Old 06-21-2013, 10:32 PM   #1
Aug 2011
Syracuse, NY
Posts: 345
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What is your thoughts on a couple white lab vials of Ale yeast sitting around 80 degree weather the past couple days?
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Old 06-21-2013, 10:58 PM   #2
MedicMang's Avatar
Nov 2011
Athens, Ohio
Posts: 1,651
Liked 192 Times on 139 Posts

Make a starter and you should be fine. I recently had some Pacman yeast from Wyeast show up at my door step slightly puffed already. I put it in my fridge. When I brewed about two weeks later, I made a starter and everything turned out fine.

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Old 06-22-2013, 02:35 AM   #3
beertroll's Avatar
Jun 2012
Shaftsbury, VT
Posts: 297
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I've gotten yeast orders during 90+ heat waves with no ill effects. It's not ideal, but it usually works out ok. Like Mang said, make a starter if you weren't already planning to.

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Old 06-22-2013, 02:37 AM   #4
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Qhrumphf's Avatar
Apr 2011
Arlington (DC), VA
Posts: 13,477
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I had some yeast shipped during that massive 100+ heat wave last summer. Two different packs. One was DOA, but the other survived with a starter.

Make a starter and you'll be ok. But my rule after the experience above, I do not order liquid yeast. Local purchase only. Dry yeast is another story.
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Old 06-25-2013, 04:27 AM   #5
Sep 2012
Posts: 924
Liked 216 Times on 152 Posts

I'm a local purchase only on the vials unless you have no ability to purchase local. If I was ordering in the mail, and wanted to make top quality beer, I would request cold packs and 2 day shipping. If 80F in the ambient temp, you can count on whatever vehicle they're being driven in to be way hotter than that. I've yet to see a UPS truck with an AC. The back of those trucks is sweltering hot. Easily over 120F on a hot day.

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