How long do you let your stir plate run?

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HillWilly

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Just completed my stir plate project and am using it for my first yeast starter.

How do you let the stir plate run? Until fermentation is over?

Thanks again for all the advice! You guys are great!
 
I let mine run the same or maybe a little longer, but don't bother decanting. Never noticed any off flavors, but I do it in the cool basement
 
It depends. Anywhere from 12-48 hours with 24 hours being the norm. Longer for low cell count / older yeast and shorter for larger cell count / fresh healthy yeast. You'll know when it's done by color change and smell. Sometimes you can see the krausen rise and fall but not always. It will look more milky and smell nice and yeasty when it's done.
 
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