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Old 12-26-2012, 11:52 PM   #1
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Default Killed Yeast In Very Hot Wort

I am very new to brewing and today I made a pretty dumb mistake by pitching my yeast into very hot wort. I will never forget (or repeat) this again but I know for a fact it was way too hot for the yeast to survive. What I am wondering now is, 1) Once the wort is cooled can I just pitch new yeast in tomorrow? and 2) Is there any way of removing the dead yeast to prevent off flavors?

Thanks!



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Old 12-26-2012, 11:54 PM   #2
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Pitch more yeast as soon as you get the wort below 70 degrees. You're not getting the dead yeast out of there, but it most likely won't hurt anything and may even provide added nutrients for your live yeast.



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Old 12-27-2012, 12:03 AM   #3
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Can you define "very hot wort" Don't worry about the dead yeast, the new yeast will eat them.

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Old 12-27-2012, 12:05 AM   #4
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Just repitch once cooled. The dead yeast is actually a yeast nutrient, so in a way, you helped it

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Old 12-27-2012, 12:10 AM   #5
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Thanks for the reassuring words. For whatever reason I forgot to chill my wort and put it in at about 140 degrees. Immediately after pitching the yeast I realized what I did and put my primary in an ice bath.

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Old 12-27-2012, 03:00 AM   #6
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I pitched yeast at 80 degrees and no problem here. My airlock is bubbling like crazy

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Old 12-27-2012, 05:36 AM   #7
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Quote:
Originally Posted by BansheeRider View Post
I pitched yeast at 80 degrees and no problem here. My airlock is bubbling like crazy
80 is ok...140 is not
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Old 01-04-2013, 02:58 PM   #8
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OK, I'm new to the forum.

I think I just did the same mistake.

My wort was about 90/95°F ; Should I re-pitch some yeast ? How can I know if I need ?

Thanks a lot.
Vincent.

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Old 01-04-2013, 03:00 PM   #9
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Quote:
Originally Posted by vincent66 View Post
OK, I'm new to the forum.

I think I just did the same mistake.

My wort was about 90/95°F ; Should I re-pitch some yeast ? How can I know if I need ?

Thanks a lot.
Vincent.
90 or 95 is probably okay. You may well get some off flavors, but the yeast should survive.
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Old 01-04-2013, 03:13 PM   #10
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OK, thanx BrewDad !
And, just in case it didn't, when should I add new yeast ? And how much ?

Thanks again.



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