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Old 12-19-2009, 03:07 AM   #1
JimE
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Default Fermentation Finished on My Belgian Tripel....

I just checked (Day 13 in primary) the SG on my Belgian Tripel - 1.020. It had the same reading for two days in a row, so I'm guessing this fermentation is done.

The OG was 1.083. With the FG of 1.020, I calculated a ABV of 8.3%, which is right in the range for a Belgian Triple.

I guess I will bottle this weekend, according to kit instructions. I tasted my SG reading sample. It had a good mouth feel, and I really like the flavor.

Woohoo... my first beer!

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Old 12-19-2009, 06:30 AM   #2
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Congrats! Now the hard part is being patient and allowing the beer to condition for at least 4 weeks. Belgian Tripels REALLY need extra time to show their full potential.

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Old 12-19-2009, 06:45 AM   #3
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1.020 is high fg for tripel. How much of the batch's fermentables were malt extract?

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Old 12-19-2009, 02:01 PM   #4
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Quote:
Originally Posted by philrose View Post
1.020 is high fg for tripel. How much of the batch's fermentables were malt extract?
I was hoping someone would as this question. I was concerned.

This was a Brewer's Best Kit with the following list of fermentables:

3.3 lbs. Light LME
3.3 lbs. Amber LME
3 lbs. Pilsen DME
1 lbs. Light Candi Sugar
8 oz. Maltodextrin

Yeast is Nottingham.

4 oz. aromatic grains steeped for 20 min. a 155%

Checking my instructions again, the ABV% for this kit should be 8.5% - 9.0%, so I'm a little low.

Beer Tools Pro showed that this recipe should yield about 8.37% ABV.

Is this done. Any suggestions? I'm not in a crazy hurry to get this ale down my throat; I just want to get it done right.
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Old 12-19-2009, 03:37 PM   #5
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You're fine. Yes, 1.020 is a little high for a Tripel, but not for your recipe. Extract never finishes as low as it should. You're probably at around 7.5% ABV though.

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Old 12-19-2009, 06:21 PM   #6
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Originally Posted by Suthrncomfrt1884 View Post
You're fine. Yes, 1.020 is a little high for a Tripel, but not for your recipe. Extract never finishes as low as it should. You're probably at around 7.5% ABV though.
I'm bottling this in an hour. I used the formula for ABV as follows:

(OG - FG) * 1.31.25 = %ABV

My numbers are:
(1.083 - 1.020) * 131.25 = 8.26875 %ABV (call it 8.3%)

Is this the incorrect formula to use? How did you come to the 7.5%? I'm interested in how to quickly predict (rule of thumb) to figure out ABV. How do you do it?
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Old 12-19-2009, 06:24 PM   #7
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Your estimated ABV is pretty close, I think.

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Old 12-19-2009, 07:17 PM   #8
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yeah, with all that extract, it makes sense that the beer didn't dry out farther.

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Old 12-19-2009, 07:56 PM   #9
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I was guessing at ABV by the ingredients you gave us. Not knowing the exact brands of extract you used, it was pretty pointless to punch it into beertools. I didn't notice your SG when I made that assumption though. I was putting it at around 1.078.

Anyhow....on predicting final alcohol content quickly... I usually go by the OG. It's not an exact science, but if you're just looking for a ballpark figure, you can go by the OG.

If your gravity is around 1.055, I usually assume it will end up around 5.5%. If it's 1.075, I assume around 7.5%. And so on...

It starts getting unreliable with gravities over 1.100, but otherwise it works fairly well.

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Old 12-19-2009, 08:51 PM   #10
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You like your Tripel now. Put it away for a year and it will taste much better. Strong Belgiums like Tripels need lots of aging for the flavors to blend. The tripel I brewed in September is still in the secondary carboy and will be til at least July.

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