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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > ABV% Question
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Old 07-24-2013, 04:29 AM   #1
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Default ABV% Question

OK, I just brewed my second All Grain batch ever (see Lagunitas IPA post) and I am extremely happy but have some doubts.....

My OG was: 1.059

Its been 3 days, I brewed Saturday night...
my SG today is; 1.005

That means I am already above 6% ABV in less than 3 days, I have brewed many times and I have never had my beer ferment this fast or gain that much alcohol in the first 72 hours ....is that possible or do you think my readings are flawed somewhere...

And to think I was super worried that my airlock wasn't going crazy.....guess it goes to show, just leave it alone.

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Old 07-24-2013, 07:56 AM   #2
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`yes like you said leave it alone, but i do know there are some Pale ales out there with the right temps and right yeast you can ferment them in 3 days i have never tried this.

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Old 07-24-2013, 09:59 AM   #3
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That final gravity strikes me as pretty low, did you use any sugars or anything in the grain build?

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Old 07-24-2013, 10:57 AM   #4
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That is a real dry finish, was your mash temp low (145-150)? Overpitching and/or higher fermentation temp can lead to very fast fermentation and a "dryer" beer. What was your yeast pitch rate?

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Old 07-24-2013, 02:46 PM   #5
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Quote:
Originally Posted by ShaineT
That is a real dry finish, was your mash temp low (145-150)? Overpitching and/or higher fermentation temp can lead to very fast fermentation and a "dryer" beer. What was your yeast pitch rate?
My mash temp was 150 degrees. I added a 1% alcohol booster (sugar) i had laying around from an Austin homebrew kit I had awhile back. I added it in the last 10 minutes of the boil.
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Old 07-24-2013, 02:49 PM   #6
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Quote:
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My mash temp was 150 degrees. I added a 1% alcohol booster (sugar) i had laying around from an Austin homebrew kit I had awhile back. I added it in the last 10 minutes of the boil.
Oops I meant my sparge was 150 degrees, I kept my....I heated water up to 150 let my grains soak for 90 minutes then made up another 4 gallons of sparge water at 150. Brought wort to a rolling boil and went to town
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Old 07-24-2013, 02:50 PM   #7
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Oops I meant my sparge was 150 degrees, I kept my....I heated water up to 150 let my grains soak for 90 minutes then made up another 4 gallons of sparge water at 150. Brought wort to a rolling boil and went to town
If you mashed you grains in 150 degree water, it's quite possible that your mash temp was 140. Did you check your mash temperature?
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Old 07-24-2013, 02:51 PM   #8
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Well unless I am mistaken any time you add sugar you will get a higher ABV and a dryer, thinner beer unless it was accounted for in the recipe.

What temperature was the wort when fermenting. Hotter will go faster and not necessarily better. I use a fermentation chamber and most of my beers ferment actively for 5 days or more.

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Old 07-24-2013, 02:53 PM   #9
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Quote:
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If you mashed you grains in 150 degree water, it's quite possible that your mash temp was 140. Did you check your mash temperature?
No , I added the grains to the water in a pre heated cooler stirred and shut the lid.....never opened it again for 90 minutes. ( I did bring the water up to about 155 do to the fact it would loose some heat in the transfer and from the grains I figured.
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Old 07-24-2013, 02:59 PM   #10
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Quote:
Originally Posted by kh54s10
Well unless I am mistaken any time you add sugar you will get a higher ABV and a dryer, thinner beer unless it was accounted for in the recipe.

What temperature was the wort when fermenting. Hotter will go faster and not necessarily better. I use a fermentation chamber and most of my beers ferment actively for 5 days or more.
It fermented in a plastic pale in my basement....it was a little warm....77 degrees.
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