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Questions tagged [alcohol]

An alcohol is any organic compound in which the hydroxyl functional group (–OH) is bound to a saturated carbon atom. Alcohol originally referred to ethanol, the predominant alcohol in alcoholic beverages. Ethanol is the main alcohol produced by yeast, but methanol, propanols and butanols can also be ...

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Measuring alcohol content

How do you measure alcohol content in a fermented drink without relying on measurements of gravity? Say we have a bottle of water (pasteurized), add sugar (that has been treated to have no living ...
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What is the best plastic to use to store alcohol?

What is the best grade of plastic for brewing and storing alcohol (up to about 15%)? Basically as the title suggests, I’m in a rural part of Tanzania with no access to glass but I do have access to ...
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Beer, alcohol - body ratio

I don't know if this is relevant for the SO homebrewing forum, but anyway.. A friend and I had a discussing over a beer the other night at a bar in Oslo. I bought a 2 dl(0.2L) with an incredible ...
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Gently stir fermenter before bottling?

When you drink a spirit and mixer with a straw sometimes you get a kick of alcohol at the end, so you keep stirring it with the straw while drinking it. Will the different components of a brew (e.g. ...
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Does distilled water and/or alcohol cause airlocks not to bubble?

I fermented my first batch of extract in a plastic 'ale pail' using an airlock with the following mixture in it: 50% tap water; and 50% whiskey It never bubbled. Not even once. In 3 days. And while ...
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Do sugar alcohols count against yeast alcohol tolerance?

I consider using erythritol or other sugar alcohols in my "girls' brew". Because girls demanded something really sweet and that's the simplest way to get it. If I add it to the boil, will it count ...
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2answers
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Will accidentally shaking the mead lower the alcohol percentage?

I shook the mead during fermentation and I'm concerned that i may have hurt the yeast, causing it to produce less alcohol. Could this happen, or am i over thinking it?
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How do I remove the medicinal taste of vanilla extract in my beer?

I bought a natural vanilla extract (vanilla beans, alcohol, and water) to add to my beer at bottling time. I mixed it along with my carbing sugar and bottled. When I tried the beer for the first ...
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Do alcohol vapor escape through the fermentation / air lock?

Something I've always been paranoid about is if the alcohol escapes through the airlock if I leave the liquid as-is for weeks after the fermentation have stopped. Will I lose alcohol level?
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20% sugar, water and yeast brew smells awful quickly, how to fix?

I've got one complete, and one brewing batch of this "Alcotec Vodka Type Spirit" (http://www.amazon.co.uk/Alcotec-Vodka-Spirit-Alcohol-Moonshine/dp/B004LXZAUW/ref=sr_1_1?ie=UTF8&qid=1421024826&...
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1answer
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Ethanol / Methanol : Prison Hooch

After speaking with a friend about home brew he told me a story about making prison hooch ( at home for a laugh ), strained through a sock etc. It's hilarious. However when I talked about my plans ...
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How do I make grape wine at 60%ABV, that tastes good?

Its my first time. I want to make some wine. Please tell me how I increase my wines alcohol percentage around 60%. Is it possible, Does anyone know the process? How much yeast, should I use in the ...
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Which is the superior air-lock liquid: Vodka or Star-San? [duplicate]

I've had a life-long fancy for using vodka to clean sanitize and naturally use it in my air-lock. Given that it is only 40%, however, and I live in California where pure grain alcohol is illegal, ...
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1answer
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How to prevent solventy/overly alcoholic flavors?

I'm a moderately experienced homebrewer, and recently I've been making a lot of imperial stouts--variations on the same recipe, hoping to dial it in. Decently strong ones: my OG is usually around 1....
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1answer
158 views

Estimating final alcohol by Original Gravity

Is it possible to estimate final alcohol value from the orginal gravity of the wort? Is apparent attenutaion involved in the estimation? I guess if I know OG and FG this is the answer. What if FG is ...
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Yeast for very high gravity (1.138) stout

I'm planning to brew a very high gravity stout. I'm expecting an OG between about 1.118 and 1.138 depending on how much my efficiency suffers. I've done this before with decent results, but I think I ...
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At what alcohol level does alcohol start to contribute sweetness?

I'm working on a little project of my own regarding beer balance and I've got a lot of theories. One of the questions I haven't yet answered is how alcohol impacts balance after it gets to a ...