Adding oil to your yeast?

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Islandboy85

Islandboy85

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I'm reading Yeast A PRactical Guide to Beer Fermentation. On page 77 they talk about adding 1 mg olive oil to 25 billion cells of yeast a few hours before fermentation. The idea behind this is to not have to aerate your wort. I wonder what the oil would do to the head retention of the beer. I thought any oil would hurt that dramatically.
 
i have NO idea, but if i was going to try that (on a 5 gal batch) i'd fill the carboy to the TOP, and hope that the crown and fermentation pushed it up and OUT!
 
Coles Notes: Seems to work just as well as aeriation, but given the small volumes of wort we are dealing with (~20L), we cannot measure that precise. Even if you used a milligram scale at work, more would stick to the side of the cup than you would use in total.
 

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