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Old 06-26-2012, 07:35 PM   #1
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Default Heat wave!

Seems like every time I order yeast we end up with temps over 100*. Happened again. I ordered a few things from Northern Brewer on Friday. Including a Wyeast smack pack of 1056. It was delivered yesterday and sat on my porch for a couple of hours in the sun and 101*. Ice pack was long melted and the smack pack was swelled up like a football. Guess I'll make a starter and hope the little guys survived.

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Old 06-26-2012, 10:49 PM   #2
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Same thing here but mine was a white labs. I ordered last week from NB when temp where pretty decent. Now the last two days were in the upper 90's. What's the chance they survived?

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Old 06-26-2012, 11:57 PM   #3
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Near 100%. Yeast are actually happier in that temperature, they just don't make great beer when fermenting there. A few of them may have died, but since you're making a starter anyway it just isn't going to matter. Even if the ice pack was melted, they were still insulated, too. The interior temperature of the package was definitely plenty cool.

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Old 06-27-2012, 12:20 AM   #4
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I just experienced the same thing this past week except mine did die in the heat I assume bc it never inflated and showed no signs of activity when pitched. I learned the hard way to always have some dry yeast on hand.

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Old 06-28-2012, 03:20 PM   #5
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More wyeast on the way bc first pack got killed in delivery. If this free replacement doesn't survive the trip I'm switching to dry yeast. Keeping fingers crossed.

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Old 06-28-2012, 04:02 PM   #6
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Mine survived! Actually had a blow off this morning when I checked on it. Replaced the air lock with a blow off tube.

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Old 06-28-2012, 04:08 PM   #7
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Ditto on conditions for me. My ABS yeast died in transit.

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Old 06-29-2012, 12:44 AM   #8
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Well my replacement pack of wyeast didn't survive the trip either. I just pitched some dry yeast that I had left over so hopefully I can save this batch. Lesson learned... Use dry yeast in the summer heat.

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Old 06-29-2012, 12:53 AM   #9
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Make a starter with it to make sure your liquid yeast has survived. I just ordered a vial and 2 smack packs from NB and I plan on making starters from them all right away. Supposed to be here in St. Louis tomorrow in the 100 degree heat. I won't be brewing all 3 at once, so assuming at least one of them starts, I'll be good to brew one of my recipes on the 4th! If they all make it then I'll be good to go for the next couple batches as well. Cheers!

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Old 06-29-2012, 12:55 AM   #10
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Quote:
Originally Posted by daksin View Post
Near 100%. Yeast are actually happier in that temperature, they just don't make great beer when fermenting there. A few of them may have died, but since you're making a starter anyway it just isn't going to matter. Even if the ice pack was melted, they were still insulated, too. The interior temperature of the package was definitely plenty cool.
I can vouch for this, I ordered a bunch of yeast this time last year in the extreme heat and never had any of them not work. Always make a starter.
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