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Old 12-01-2008, 03:18 AM   #1
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Default ABV a bit too high.

What is the correct way to lower the ABV? I made Kolsch that was excellent except the ABV was a bit high for the style. I was shooting for about 4.6% but ended up with 5.73%. I did a single infusion mash at 150% for 75 mins. The recipe is as follows:

8.00 lb Pale Malt (2 Row) US-Rahr (2.0 SRM) Grain 71.17 %
1.12 lb Pilsner (Rahr) (2.0 SRM) Grain 9.96 %
1.12 lb White Wheat Malt (2.4 SRM) Grain 9.96 %
1.00 lb Munich Malt, Light (8.0 SRM) Grain 8.90 %
1.50 oz Hallertauer [3.80 %] (60 min) Hops 19.3 IBU
0.50 oz Saaz [2.80 %] (5 min) Hops 0.9 IBU
1 Pkgs German Ale/Kolsch (White Labs #WLP029) [Starter 35 ml] Yeast-Ale

Will an increase in mash temp to 152 accomplish this?

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Old 12-01-2008, 07:43 AM   #2
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I would simply reduce the amount of base malt! I use 9lbs total in my kolsch, the last batch came in at 4.3% ABV, with the same mash schedule and yeast you used. The Munich might be a good place to start, I'd think it might bump you out of the style, color-wise. All IMHO of course.

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Old 12-01-2008, 07:57 AM   #3
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Is it me or is this the first thread on HBT that says my ABV is too high?
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Old 12-01-2008, 09:52 AM   #4
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Drink it, and then make another batch with lower ABV.

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Old 12-01-2008, 10:06 AM   #5
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well for competition purposes, I suppose thats a worry (never having competed, I really wouldn't know) but I (personally) wouldn't have a problem with a slightly high ABV
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Old 12-01-2008, 11:09 AM   #6
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I don't think a 2 degree increase will make that big a difference. Maybe mashing for only 50 or 60 minutes will help. What was the efficiency you hit vs what you expected in your recipe?

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Old 12-02-2008, 05:30 PM   #7
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My efficiency is always around 65%. I know it's low but it's consistant so I just use slighlty more grain. Odd thing is my OG was just a little high (1.048) but it finished at 1.004 which was a lot lower that I expected. It's not that big of a deal becuase it was one of the best beers I've made. I'm just wanting to "tweak" it a little so the ABV is closer to style. I'll try slighly less grain next time. Thanks!

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Old 12-02-2008, 05:43 PM   #8
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Did you calculate your efficiency on this batch?

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Old 12-02-2008, 05:50 PM   #9
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When did you take your FG reading? 1.004 seems real low. Is it possible you read with an elevated temp (mid 70's) or while carbonated?

The only brew i've ever gotten to (or wanted to) go go below 1.008 was Apfelwein.

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Old 12-02-2008, 07:51 PM   #10
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Quote:
Originally Posted by AZ_IPA View Post
Is it me or is this the first thread on HBT that says my ABV is too high?
WOW, yeah! I think you can get banned from here by posting threads like that....
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