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Meister Rivington · 03-26-2008, 03:58 AM

Ok, I cooled the wort to 70 F and pitched the yeast. I thought it seemed hot still but didn't think anymore of it. Later found the airlock was sucking a bit of water in as the wort cooled more. Turns out, the bottom temp was 70. but top was likely more around 100F.

How likely is it that I killed my yeast? Can I add another package of yeast tomorrow if it is not bubbling?

talleymonster · 03-26-2008, 04:03 AM

I wouldn't pitch new yeast tomorrow. Give it a day or two. I'm not about the viability of yeast at those temps, but maybe someone else will chime in here.

Blender · 03-26-2008, 04:05 AM

A 100F is pretty hot and you pitched onto the hottest part. I may be alright but I would get a couple of more for insurance. What type of yeast?

**Nurmey** · 03-26-2008, 04:08 AM

If your temp was hotter than 120° you would have to worry. You didn't kill your yeast at 100° and the temp will even out probably before the yeast even notices.

Meister Rivington · 03-26-2008, 04:13 AM

It is Nottingham. I will pick up an extra, but will definitely give it a day or two to see if anything starts.

Also, at this temp, some water was pulled in from the airlock, I use iodophor and everything including the airlock was sanitized. Water was from tap...anything to worry about there?

Thanks guys

Blender · 03-26-2008, 04:17 AM

They will likely survive. Keep that bucket cool because the last couple of times I used Nottingham it raised the temp about 8 degrees for a day or so. The water from the airlock should do no harm.

Meister Rivington · 03-26-2008, 12:55 PM

Well this morning, the airlock is bubbling (only 8 hours later) so I guess I am ok.

livewir · 03-26-2008, 01:26 PM

From what I've read and my own experience, Nottingham is some pretty hearty yeast and can take some abuse.

**conpewter** · 03-26-2008, 03:16 PM

If the top part was 100 degrees then you don't need to worry at all. Normally when you rehydrate yeast you use 90-100 degree water to wake them up.

Hagen · 03-26-2008, 03:19 PM

No worries, let it roll! Next time givee the wort a really good hard stir to aerate. It's beneficial to yeast reproduction and will even out the temp for you.