Blackened

International Dark Lager BJCP 2021 – 02C

OG
1.052
FG
1.014
SRM
28
ABV
5.5%
IBU
35.4
Awards
6
Batch #
2025-01
Batch Size
14.00 gal
Boil Time
90 min
Brew Date
January 5, 2025
Tap Date
March 3, 2025
BU/GU
0.68
Carbonation
2.7 vol
ABW
4%
Kcal
174 12 oz
Real Extract
5.3° P
Attenuation
72.1% apparent
58.9% real

Fermentables

Bohemian PilsnerWeyermann
13.00 lbs|44%
Type
Grain
Origin
Germany
Color
2.0 SRM
PPG
75.1
44%
Munich IWeyermann
12.75 lbs|43.1%
Type
Grain
Origin
Germany
Color
7.1 SRM
PPG
82.2
43.1%
Carafa Special IIIWeyermann
1.25 lbs|4.2%
Type
Grain
Origin
Germany
Color
470.0 SRM
PPG
75.7
4.2%
AcidulatedWeyermann
1.00 lbs|3.4%
Type
Grain
Origin
Germany
Color
1.8 SRM
PPG
65.2
Caramunich IIIWeyermann
0.94 lbs|3.2%
Type
Grain
Origin
Germany
Color
71.0 SRM
PPG
80.1
ChocolateBriess
0.50 lbs|1.7%
Type
Grain
Origin
US
Color
473.4 SRM
PPG
75.8
Chocolate RyeWeyermann
0.12 lbs|0.4%
Type
Grain
Origin
Germany
Color
329.9 SRM
PPG
70.0

Hops

2.20 oz
Magnum 16.8%
60 min Boil
4.00 oz
Hallertauer Mittelfrueh 2.5%
10 min Boil

Non-Fermentables

0.50 g
Calcium Chloride (CaCl2) Water Agent
Mash
0.50 g
Canning Salt (NaCl) Water Agent
Mash
2.50 g
Epsom Salt (MgSO4) Water Agent
Mash
2.00 g
Gypsum (CaSO4) Water Agent
Mash
4.00 ml
Lactic Acid Water Agent
Mash
0.30 g
Calcium Chloride (CaCl2) Water Agent
Sparge
0.30 g
Canning Salt (NaCl) Water Agent
Sparge
1.50 g
Epsom Salt (MgSO4) Water Agent
Sparge
1.30 g
Gypsum (CaSO4) Water Agent
Sparge
4.00 ml
Lactic Acid Water Agent
Sparge

Yeasts

264 ml
German Bock LagerWLP833
White Labs

Equipment ProfileGeoff's Electric Equipment

Batch Size
14.00gal
Boil Volume
15.30gal
Boil Time
90min
Evaporation Rate
1.96%per hour
Hop Utilization
100%
Trub Chiller Loss
0.26gal

Mash Profile Step Mash - Hochkurz

Ideal Grain Temp
68°F

Mash Steps

Step 1
Maltose Rest30 min
145°F
Step 2
Dextrinization Rest45 min
160°F
Step 3
Mash Out10 min
168°F

Fermentation and Aging

4 days
Primary
50°F
3 days
Secondary
62°F
2 days
Tertiary
34°F
30 days
Age
34°F

General Info

See the Brewfather batch log for fermentation progress details. Split batch with Matt J.

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Blackened – 6 Awards
Name
Blackened
Competition
Peterson Homebrew Competition
Date
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Style
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Place
1st
Name
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Competition
Peterson Homebrew Competition
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BOS - Honorable Mention
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Competition
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Feast of Saint Arnold
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