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Old 03-09-2012, 07:22 PM   #11
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Originally Posted by EllisTX View Post
Since increasing the cell count isnt what you would be going for in this instance, would just a small starter not be successful?
I will wake up a yeast starter that I just made 2 or 3 days prior with a 1 cup starter on brew day, but in your case according to YeastCalc your 6 week old 300 ml of yeast would only give you about 245 billion cells. It says that for a 5 gallon batch at 1.080 you would need to pitch 275 billion cells. I would make a 1L starter with the 300 ml that you have to build up a little bit more if it was me..
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Old 03-10-2012, 01:53 AM   #12
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If you trust your handling procedures, just straight pitch it. Think about it, you could just straight pitch several vials of yeast, you don't have to 'wake' it up. Once it is in the wort, it will know what to do.

If you have any issues with your yeast or handling, then make a standard 2L starter.

I don't trust Mr. Malty viability figures, I believe yeast slurry stays much more viable that it predicts.

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