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Old 12-23-2008, 09:07 AM   #1
Oct 2008
South Dakota
Posts: 68
Liked 2 Times on 1 Posts

Cooper's says ~0.5%? Is that about right? Is it possible to take another gravity reading after the beer is carbonated (or will carbonation affect it)?

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Old 12-23-2008, 09:33 AM   #2
944play's Avatar
Jul 2008
Santa Rosa, CA
Posts: 2,726
Liked 46 Times on 41 Posts

Dextrose = ~46 ppppg and is 99% fermentable. Let's take 5oz in 5 gallons for an example:
(5oz/5gal)/16oz * 46 ppppg = 2.875 pts * 99% * 131/1000 = ~.373% ABV.
OD: ?
Keg: Simple AIPA (2-row, Chinook, Cascade, WLP090)

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Old 12-23-2008, 09:38 AM   #3
RCCOLA's Avatar
Nov 2008
Northwest Arkansas
Posts: 1,068
Liked 96 Times on 58 Posts

My online calculator shows about .4%.I was suprised by how much it actually adds.Carbonation will probably affect by the bubbles causing lift on the hydro.I'll try on my next brew with known fg and see what it shows.

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Old 12-23-2008, 11:10 AM   #4
Dec 2008
Posts: 9

Also it will change the SG. Best way to check it would be to bulk prime and check a sample.

Cheers Mick

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Old 12-23-2008, 02:17 PM   #5
homebrewer_99's Avatar
Feb 2005
Atkinson (near the Quad Cities), IL
Posts: 17,792
Liked 132 Times on 99 Posts

Considering a pound of corn sugar is about .6% and .8% I would say very little.
HB Bill

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