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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Does size matter?
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Old 02-03-2012, 03:00 PM   #1
flyinpig
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Default Does size matter?

I know that is a loaded question.....but does it? If I ferment 5 gallons or fermenting 1 gal, common sense tells me that fermentation is fermentation and will be done when it is done. But, with a smaller amount of fermentables, and the same amount of yeast pitched in each one, shouldn't fermentation complete quicker with 1 gal. vs 5?
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Old 02-03-2012, 03:29 PM   #2
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No, it should take the same amount of time if all of the variables are the same.
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Old 02-03-2012, 03:37 PM   #3
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In general a higher pitch rate means a shorter lag and growth phase.
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Old 02-03-2012, 06:50 PM   #4
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Quote:
Originally Posted by flyinpig View Post
But, with a smaller amount of fermentables, and the same amount of yeast pitched in each one, shouldn't fermentation complete quicker with 1 gal. vs 5?
In this case, most likely yes, as a significantly smaller amount of reproduction would be taking place in the 1 gallon batch. This is assuming you don't actually mean the same number of cells per unit of wort.
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