Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > abv test
Reply
 
Thread Tools
Old 07-15-2011, 06:10 PM   #1
Cwetherford
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jun 2011
Location: Lapeer, Mi
Posts: 95
Default abv test

Is there a way to tell the abv without doing a hydrometer test before and after fermentation


Cwetherford is offline
 
Reply With Quote
Old 07-15-2011, 06:13 PM   #2
Thehopguy
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jun 2011
Location: san diego, ca
Posts: 526
Liked 10 Times on 6 Posts
Likes Given: 3

Default

dont think so


__________________
On Deck: Double IPA, GTBT V3
Primary: GTBT APA
Bottled: GTBT V2, GTBT V1, Black IPA, Centennial IPA, Pumpkin Ale, Badboy IPA, Simarillo APA
Thehopguy is offline
 
Reply With Quote
Old 07-15-2011, 06:14 PM   #3
NordeastBrewer77
NBA Playa
HBT_LIFETIMESUPPORTER.png
Feedback Score: 7 reviews
 
NordeastBrewer77's Avatar
Recipes 
 
Join Date: Apr 2011
Location: Minneapolis, Minnesota
Posts: 7,933
Liked 1082 Times on 788 Posts
Likes Given: 3977

Default

A refractometer? But either way, you need to know OG and FG to calculate abv.
__________________
The Polk Street Brewery

Brewin' 'n' Que'n - YouTube Shenanigans

Quote:
Originally Posted by yeoitsmatt View Post
can i drink this? I mean. Im gunna. But is it fine?
Quote:
Originally Posted by yeoitsmatt View Post
it's not a barley wine. it's an ale.
Quote:
Originally Posted by bottlebomber View Post
Have you seen the price of ketchup lately? And I'm not talking Heinz.
NordeastBrewer77 is offline
 
Reply With Quote
Old 07-15-2011, 06:15 PM   #4
Revvy
Post Hoc Ergo Propter Hoc
HBT_LIFETIMESUPPORTER.png
Feedback Score: 0 reviews
 
Revvy's Avatar
Recipes 
 
Join Date: Dec 2007
Location: "Detroitish" Michigan
Posts: 40,816
Liked 2883 Times on 1701 Posts
Likes Given: 3514

Default

Outside of some major lab gear, no.

Have you taken a final gravity reading? If this is an extract recipe, the og is what your recipe says it will be. If you did the correct final volume then the og if foolproof.

If it's a PM and/or AG, you can still approximate it from the given og in the recipe. But you'll still need an FG reading.
__________________
Like my snazzy new avatar? Get Sons of Zymurgy swag, here, and brew with the best.

Revvy's one of the cool reverends. He has a Harley and a t-shirt that says on the back "If you can read this, the bitch was Raptured. - Madman

I gotta tell ya, just between us girls, that Revvy is HOT. Very tall, gorgeous grey hair and a terrific smile. He's very good looking in person, with a charismatic personality... he drives like a ****ing maniac! - YooperBrew
Revvy is offline
 
Reply With Quote
Old 07-15-2011, 06:36 PM   #5
Cwetherford
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jun 2011
Location: Lapeer, Mi
Posts: 95
Default

I just did 2kit beers one can kit and one actual boil kit I didnthtake a test on the can kit and I feel like my og on the boil one is off cuz its supposed to be a 5.5% and its barely a 4%er
Cwetherford is offline
 
Reply With Quote
Old 07-15-2011, 06:55 PM   #6
dcp27
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jan 2010
Location: Medford, MA
Posts: 4,122
Liked 123 Times on 119 Posts
Likes Given: 3

Default

sure, you could build a calibration curve. count how many x% beers it takes to get drunk in a certain amount of time, then how many y%, then how many z%. after that, see how many of yours it takes to get drunk and extrapolate .....

on the other-hand, if its an extract kit, the og is known since its a pre-determinate amount of sugar and you would just need an fg. if its been bottled already, you can pour some out to degas overnight and then measure the next day.
dcp27 is offline
 
Reply With Quote
Old 07-15-2011, 07:13 PM   #7
Revvy
Post Hoc Ergo Propter Hoc
HBT_LIFETIMESUPPORTER.png
Feedback Score: 0 reviews
 
Revvy's Avatar
Recipes 
 
Join Date: Dec 2007
Location: "Detroitish" Michigan
Posts: 40,816
Liked 2883 Times on 1701 Posts
Likes Given: 3514

Default

Quote:
Originally Posted by cwetherford View Post
i just did 2kit beers one can kit and one actual boil kit i didnthtake a test on the can kit and i feel like my og on the boil one is off cuz its supposed to be a 5.5% and its barely a 4%er
huh?

You said you didn't take an og, so how do you know it's 4% instead of 5.5?
__________________
Like my snazzy new avatar? Get Sons of Zymurgy swag, here, and brew with the best.

Revvy's one of the cool reverends. He has a Harley and a t-shirt that says on the back "If you can read this, the bitch was Raptured. - Madman

I gotta tell ya, just between us girls, that Revvy is HOT. Very tall, gorgeous grey hair and a terrific smile. He's very good looking in person, with a charismatic personality... he drives like a ****ing maniac! - YooperBrew
Revvy is offline
 
Reply With Quote
Old 07-15-2011, 07:15 PM   #8
Revvy
Post Hoc Ergo Propter Hoc
HBT_LIFETIMESUPPORTER.png
Feedback Score: 0 reviews
 
Revvy's Avatar
Recipes 
 
Join Date: Dec 2007
Location: "Detroitish" Michigan
Posts: 40,816
Liked 2883 Times on 1701 Posts
Likes Given: 3514

Default

Give us some more info, like the recipes.
__________________
Like my snazzy new avatar? Get Sons of Zymurgy swag, here, and brew with the best.

Revvy's one of the cool reverends. He has a Harley and a t-shirt that says on the back "If you can read this, the bitch was Raptured. - Madman

I gotta tell ya, just between us girls, that Revvy is HOT. Very tall, gorgeous grey hair and a terrific smile. He's very good looking in person, with a charismatic personality... he drives like a ****ing maniac! - YooperBrew
Revvy is offline
 
Reply With Quote
Old 07-15-2011, 08:31 PM   #9
Cwetherford
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jun 2011
Location: Lapeer, Mi
Posts: 95
Default

The one I didn't test at all is a coopers Canadian blonde can kit and the other was a brewers best american cream ale kilt and I did test the cream al ad it's supposed to come out at about 5.25 to 5.75abv but it's coming out to like....4ish
Cwetherford is offline
 
Reply With Quote
Old 07-15-2011, 08:40 PM   #10
tjsullivan1
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jul 2011
Location: St. Paul, MN
Posts: 10
Default

Quote:
Originally Posted by Cwetherford View Post
The one I didn't test at all is a coopers Canadian blonde can kit and the other was a brewers best american cream ale kilt and I did test the cream al ad it's supposed to come out at about 5.25 to 5.75abv but it's coming out to like....4ish
What revvy was asking is where did you get the 4%ish ABV if you didn't take an OG of FG. I am also confused, because if you know what your ABV is now, why would you need to know how to calculate it?


tjsullivan1 is offline
 
Reply With Quote
Reply


Thread Tools



Forum Jump

Newest Threads

LATEST SPONSOR DEALS