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canyonbrewer 01-07-2012 10:01 PM

help calculating gravity after boil
Hi all -

was unable to measure my OG after the boil today.

I did however have 13 gallons at 1.053 prior to the boil. I boiled off 2 gallons to end with 11 gallons

Is there a formula to calculate my OG after boil?


stiz85 01-07-2012 10:29 PM

Beersmith 2's boil-off tool says your sitting at about 1.063...that's as long as you corrected your hydrometer back to 60 deg F for that first reading...

hope that helps!

ajf 01-07-2012 10:31 PM

53 * 13 / 11 = 63 or 1.063


dzlater 01-08-2012 12:46 PM

(preboil gravity*preboil volume)=(postboil gravity*postboil volume)

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