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Old 03-09-2012, 01:25 AM   #1
Oct 2006
Posts: 23

I never measured the gravity at the start of my fermentation. Will that be a problem???

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Old 03-09-2012, 01:37 AM   #2
Sep 2011
Troy, Michigan
Posts: 22

Only if you need an exact ABV. What recipe did you use? Unless you made your own, most list a target OG. Just use that to get a ballpark idea of where it could be. If you made your own recipe, there are brewing calculators and programs that can give you an idea based on your ingredients.

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Old 03-09-2012, 01:43 AM   #3
TacoBrew's Avatar
Nov 2010
Nashville, TN
Posts: 245
Liked 10 Times on 8 Posts

It won't ruin the beer or anything. If you do want to determine ABV after the fact, you can do it with a formula that combines refractometer and hydrometer measurements of the finished beer.

Just make sure that you check that fermentation has finished, using your hydrometer, before you decide to bottle. You'll still have beer at the end of the day.

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Old 03-09-2012, 01:43 AM   #4
Jan 2010
Alexandria, VA
Posts: 383
Liked 10 Times on 9 Posts

You spelled "weight" wrong...and the OG is used for many other things besides abv. Most use it to determine your efficiency and you can monitor your fermentation from start to finish.
Alexandria, VA
Piedmont Brewing Company

Primary - Nada
Secondary - Abandoned (for most brews)
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Enjoying - Summit IPA, Cherry Belgian Dubbel, Otto von Bismarck Stout, Richmond Red Ale
Up Next - Belgian Tripel

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