Abbreviation: Alcohol By Volume. The percentage of alcohol in a given volume of liquid.

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Calculating the exact alcohol volume

Using a hydrometer is great for most people, but the geek in me would like to know the exact alcohol content of my brew. What would be the process, titration? And what chemicals would I need?
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Is 55% ABV “beer” actually beer?

BrewDog claims to have made a 55% ABV "beer" which they call The End of History. They have other high ABV "beers:" Tactical Nuclear Penguin is 32% ABV and Sink the Bismark! is 41% ABV. From what I ...
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3answers
272 views

What is a session beer?

What is the accepted OG and ABV of a session beer? What other qualities does a session beer possess?
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5k views

How to adjust alcohol content of a beer?

I have read stories about people brewing beer with an extremely high alcohol content, and am curious about how they do it. At a basic level, I know that alcohol is a byproduct of yeast breaking down ...
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1answer
1k views

Measuring the ABV of non beer/wine products

I sometimes make alcoholic ginger beer and alcoholic lemonade. How would one estimate the abv of something like that? Is it even possible?
6
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1answer
150 views

On scaling a recipe's gravity…

If I have a recipe for a beer that I'd like to simply make bigger, what should be taken into account when scaling the recipe? Imagine I have an amber ale recipe that I like. It comes in with an OG ...
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669 views

How do I measure the alcohol of a fruit beer?

According to some recipes I have seen, a simple way to make a fruit beer is to make a regular "base" beer, and then rack it on top of the fruit after about a week of fermentation. In that case, how ...
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259 views

How can I reduce the ABV?

I have a batch fermenting at the moment. I had expected the OG to be 1.05x but it was 1.06x. I generally have little problem with fermentation and expect the batch to come out at somewhere like ...
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212 views

Is there open source web library for Calculating ABV or other brew related tasks

Is anyone aware of a good script or library free/Open Source that can be used on a web page to calculate ABV, I'm not looking for a sites that will do the calculation for you, I want to add the ...
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707 views

Can I find the ABV of Cider using Original and Final Gravity

If I have the original gravity and final gravity of my hard cider (as measured by my hydrometer), do I determine the ABV using the same formula I would for beer?
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Is it possible to calculate ABV% without Original Gravity? [duplicate]

Seems that when I was brewing my batch I forgot to take a gravity reading. Is there any other way to calculate ABV% without this measure? Thanks in advance