Yeast temperatures

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Yourrealdad

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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
 
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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