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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Why do boil volumes change?
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Old 09-14-2007, 11:57 PM   #1
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Default Why do boil volumes change?

Why when I always make 5.5 gallon batches do some beers call for 6.3 gallon boils and others for 7 gallons in beersmith? Shouldn't the boil-off always be the same?

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Old 09-15-2007, 12:04 AM   #2
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There's boil-off, expected trub/break.

Boiloff rates can vary with the burner used, intensity of the boil and the relative humidity.

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Old 09-15-2007, 12:17 AM   #3
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Quote:
Originally Posted by Kayos
Why when I always make 5.5 gallon batches do some beers call for 6.3 gallon boils and others for 7 gallons in beersmith? Shouldn't the boil-off always be the same?
Are you using the same equipment profile in Beersmith? It calculates boil-off rates and boil volumes from the equipment profile you enter.
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Old 09-15-2007, 12:19 AM   #4
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I wasn't sure if he was talking about his recipes or others.

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Old 09-15-2007, 12:55 AM   #5
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Thx Fly...my equip was different. Solved.

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Old 09-15-2007, 02:18 AM   #6
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Quote:
Originally Posted by olllllo
I wasn't sure if he was talking about his recipes or others.
Ah -- oops, my bad. You're right.


EDIT: Double-oops -- scratch my last.
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