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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Splitting a single yeast vial - possible?
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Old 01-28-2013, 08:10 PM   #11
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Another question-

Could I just pour half of the vial into 2 separate starter worts? I'd have to eyeball it, but I'm sure it'd be close to half.

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Old 01-28-2013, 08:16 PM   #12
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Another question-

Could I just pour half of the vial into 2 separate starter worts? I'd have to eyeball it, but I'm sure it'd be close to half.
That would be fine as well. Don't worry about splitting it exactly in half. Even it it was a 1/3 to 2/3 split the results will be about the same.
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Old 01-28-2013, 08:39 PM   #13
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That would be fine as well. Don't worry about splitting it exactly in half. Even it it was a 1/3 to 2/3 split the results will be about the same.
Cool, thanks!
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Old 01-28-2013, 09:59 PM   #14
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As I mentioned upthread, that is what I have been doing with new WL vials - just make my first starter out of ~1/2 the yeast and save the rest for the next batch (and account for the reduced amount of yeast to start with in YeastCalc). Seems to be working well so far.

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Old 01-29-2013, 01:17 AM   #15
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As I mentioned upthread, that is what I have been doing with new WL vials - just make my first starter out of ~1/2 the yeast and save the rest for the next batch (and account for the reduced amount of yeast to start with in YeastCalc). Seems to be working well so far.
Right on. I've got 2 1500 mL starters going as we speak, from one vial of WLP810. I'll step both up with 1 L each on Thursday (after cold crashing over night and decanting). I'll then let them go until Sunday, cold crash over night, then decant and pitch on Monday.

Thanks to everyone for the help. Cheers!
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Old 01-29-2013, 01:40 AM   #16
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As I mentioned upthread, that is what I have been doing with new WL vials - just make my first starter out of ~1/2 the yeast and save the rest for the next batch (and account for the reduced amount of yeast to start with in YeastCalc). Seems to be working well so far.
I do this with every vial of White Labs that I get usually. Sometimes I'll run a 2L starter with the entire vial, split that, step up one half and then brew with it, and then split the other half again. Then I have two jars for two future batches plus a big starter for brew day.
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