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Old 06-25-2012, 03:15 AM   #1
zyx345
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Default Rehydrating Dry Yeast and Residual Sticking to Container?

I rehydrated 2 packets of US-05 using this method: http://mikesbrewreview.com/how-to-rehydrate-yeast/ .

I dumped the dry yeast into sanitized pre-boiled water at 95 degrees and let it sit for 15 minutes. Then I stirred it with a sanitized fork to break up the clumps and let it sit for another 15 minutes.

When I went to dump the mixture into the carboy, it went in smoothly however there was some residual dried yeast stuck to the bottom of my pyrex cup which I was unable to use.

Is this normal? Should I have stirred it again right before pitching?

On a positive note, it started showing signs of fermentation within a few hours and the air lock is bubbling.

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Old 06-25-2012, 04:28 AM   #2
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well, it's sorta normal yeah. these days i rehydrate in a 500ml erlenmeyer flask, and swish around pretty good or even shake before pitching.

fwiw, I bought that flask at an educational science supply store a whole block from my house for less than $5.

Edit: Oh, and unless this was a Very big beer, my guess is that your brew is Just Fine and you have nothing to worry about.

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Old 06-25-2012, 07:37 PM   #3
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Thanks, actually this was a Russian Imperial Stout. I may stir it again next time right before pitching just to loosen everything up. I just avoided doing that becuase most of what I read says to only stir once.

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Old 06-25-2012, 08:51 PM   #4
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Oh I was going to ask why you used two packets of 05... but a Russian Imperial will force that.

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Old 06-25-2012, 09:29 PM   #5
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If you were noticing active fermentation after just a few hours I would say you are good to go. The few left behind won't hurt anything.

Cheers!

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