How long for a starter with stir plate?

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philosofool

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How long does a 1.6 L starter pitched with 95 bil cells need to ferment before the yeast is fully propagated? Can I refrigerate for just 24 hours before pitching it? I seem to recall reading that you should either pitch the starter at high krausen or wait two days before pitching. Naturally, I don't want my beer to be five percent starter, so I like to chil and decant before pitching.
 

Cyclman

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2 days spinning strongly, one day cold crashed, ready to pitch. I bring up to ferm temp (or close) a couple of hours before I pitch.
 

Roadie

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Around 18 hours on stir plate for starter. 24 in fridge to crash for decanting.


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philosofool

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Thanks for the answers. The yeast appears to be dead, since the wort is still sweet after 24 hours with the bar going and there's no evident fermentation aroma. I have contacted my supplier (who is normally excellent and shall remain nameless until they really piss me off) about the quality issue.
 

Hermit

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Thanks for the answers. The yeast appears to be dead, since the wort is still sweet after 24 hours with the bar going and there's no evident fermentation aroma. I have contacted my supplier (who is normally excellent and shall remain nameless until they really piss me off) about the quality issue.
#1 reason to make a starter. Make sure your yeast is viable BEFORE you brew. :rockin:

I know you aren't happy now, but think how unhappy you woulda been if...
 
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