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Old 09-23-2007, 05:36 AM   #1
San Jose State University
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Default My yeast exploded!!

Hey guys....

I was all excited to try out a bunch of new HB supplies I just bought, and followed a hefe recipe to the letter.... including the yeast instructions for my White Labs Bavarian hefeweizen yeast "take out of refrigerator for 3-6 hours, shake, and open carefully."

Yeah... I opened carefully... but that didn't stop the yeast from exploding out of the vial before I was ready to pitch!! I wound up getting *some* inside the funnel I poured the wort into. Also, I mixed up some sterile water inside the vial to get what yeast was left inside the vial.

Anybody have this problem?? Any thoughts on what will happen? All local HB stores are closed and I can't get any more yeast until Monday!


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Old 09-23-2007, 05:40 AM   #2
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You have to barely, and I mean barely crack the seal on those tops sometimes to release the pressure. I try to do it a few times as the vial is warming up.


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Old 09-23-2007, 05:49 AM   #3
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Yep, it's a kick aint it? You'll probably be OK. maybe a bit of longer lag time, but IMHO, it'll come up. Those vials are ok if fresh and kept cool, but like you say, when warm for a while, they are ready to explode........ personally, i like to make a starter off of the vials (and streak some on plates to make slants from) before i pitch. If you try a starter, you'll grow a lot more yeast and your lag time will be something like zip!
Cheers....
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Old 09-23-2007, 06:07 AM   #4
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For future reference, rolling the vial back and forth on table or between your hands mixes but does not build up quite as much pressure as shaking. As stated above, open slowly! I think you will be okay with what you did get in your brew.
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Old 09-23-2007, 12:23 PM   #5
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You pitched a vial straight into the wort? How long did it take for your ferm. to start? I am at 36 hours on my WLP380 heffe.... and nothing!
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Old 09-23-2007, 12:55 PM   #6
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Quote:
Originally Posted by The Pol
You pitched a vial straight into the wort? How long did it take for your ferm. to start? I am at 36 hours on my WLP380 heffe.... and nothing!
First time I used liquid was WLP300. I pitched without a starter and it took over 48 hours before I saw any activity. Freaked me out. I used starters from then on.
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Old 09-23-2007, 05:26 PM   #7
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Quote:
Originally Posted by seefresh
First time I used liquid was WLP300. I pitched without a starter and it took over 48 hours before I saw any activity. Freaked me out. I used starters from then on.
It the lag time was from 7 at night, and awoke at 10 in the morning to find it bubbling once every 2-3 secs. I used an oxygen stone and some pill for yeast the hbs guy sold me. So I'm relieved that's it's going.

HOWEVER, now I'm worried because there is some green stuff floating in the fermenter. It looks like little bits of celery skin. I've never been able to see my fermentations before because I never used a glass carboy. Is it a cause for concern??? Should I dump it???
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Old 09-23-2007, 05:58 PM   #8
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Never dump anything until it's at least 3 weeks in the bottles and doesn't improve.
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Old 09-23-2007, 06:00 PM   #9
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DONT DUMP IT! It will probably be okay, fermentation aint pretty
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Old 09-23-2007, 06:09 PM   #10
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Thanks all. I won't dump it. I'm looking up emergency plans just in case: I may siphon it to the secondary while trying to prevent the mold from transferring, too.


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