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Old 01-11-2013, 01:55 PM   #1
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Default Yeast temperatures

So I am just curious on the temps that yeast go through. It seems that they are such temp sensitive little guys (and gals), but we mess with them pretty bad. For instance:

-My yeast (dry) is stored at 40 F in the fridge
-To rehydrate I put it in water usually between 85-100 F
-I then pitch it into wort around 70 F
-Usually I have to drop the temp a little more to say 63-67

Maybe I am doing something wrong or missed a step, but doesn't that seem to be messing with the temps quite a bit? Especially when all I hear is that when fermenting if your temps drop a few degrees the yeast starts to drop out?

Thanks for clarifying

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Old 01-11-2013, 03:02 PM   #2
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The rehydrated yeast should be brought down to within 10 degrees of the wort temp when pitching. This keeps the yeast from being shocked & going dormant till they aclimate to the themps around them. But may have to be swirled back into suspension. Otherwise,your temps are right in there.
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