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Doppelbock System


Details

Beer Style
5C Doppelbock (BJCP)
Brewing Method
All grain 
Brew Type
Lager 
Recipe Efficiency
70%
Recipe Volume
5.28 gal 
Boil Volume
6.05 gal 
Boil Time
60 min 
Maximum Extract
534.6 points
Potential Extract
374.2 points (70% from recipe)
Anticipated OG
1.071 SG
Boil SG
1.062 SG (at start of boil)
Anticipated Color
20.3 SRM     
Estimated IBU
27.5 IBU
Estimated FG
1.018 SG
Estimated Alcohol
6.8 %abv
Fermentation
Primary 4 d, Secondary 7 d, and Lager 28 d
Mash
47 m @ 129.92 tempF and 40 m @ 153.14 tempF

Style Compliance

5C Doppelbock
Original Gravity
1.072-1.112 SG
Final Gravity
1.016-1.024 SG
Alcohol
7.0-10.0 %abv
Bitterness
16.0-26.0 IBU
Color
6.0-25.0 SRM
 
OG
1.071 SG Low
FG
1.018 SG
Alcohol
6.8 %abv Low
Bitterness
27.5 IBU High
Color
20.3 SRM
Overall Compliance: 40.0%

Fermentables

Name Amount Color Potential % Grist
Castle Pilsner 9.37 lbs 1.6 °L 37 ppg 64.6 %
Weyermann Dark Wheat 2.49 lbs 7.0 °L 39 ppg 17.2 %
Muntons Lager 1.46 lbs 1.7 °L 36 ppg 10.1 %
Briess Caramel 120L 0.99 lbs 120.0 °L 32 ppg 6.8 %
Briess Dark Chocolate Malt 0.2 lbs 420.0 °L 33 ppg 1.4 %
Totals 14.5 lbs 534.6 points 100%

Fermentables

Name: Castle Pilsner
Amount: 9.37 lbs
Color: 1.6 °L
Potential: 37 ppg
% Grist64.6 %
Name: Weyermann Dark Wheat
Amount: 2.49 lbs
Color: 7.0 °L
Potential: 39 ppg
% Grist17.2 %
Name: Muntons Lager
Amount: 1.46 lbs
Color: 1.7 °L
Potential: 36 ppg
% Grist10.1 %
Name: Briess Caramel 120L
Amount: 0.99 lbs
Color: 120.0 °L
Potential: 32 ppg
% Grist6.8 %
Name: Briess Dark Chocolate Malt
Amount: 0.2 lbs
Color: 420.0 °L
Potential: 33 ppg
% Grist1.4 %
Totals
Amount: 14.5 lbs
Potential: 534.6 points
% Grist: 100%

Hops

Hop Amount IBU When Time
Crystal 0.49 oz @ 3.1 %AA (1.5 AAU) 5.2 (28.5 %) Fwh 60 min
Tettnang 1.00 oz @ 4.8 %AA (4.0 AAU) 14.9 (30.1 %) Boil 60 min
Crystal 1.00 oz @ 3.1 %AA (3.0 AAU) 7.4 (19.9 %) Boil 30 min
Totals 2.5 oz
Hop: Crystal
Amount: 0.49 oz
%AA: 3.1
When: Fwh
Time: 60 min
Hop: Tettnang
Amount: 1 oz
%AA: 4.8
When: Boil
Time: 60 min
Hop: Crystal
Amount: 1 oz
%AA: 3.1
When: Boil
Time: 30 min
Totals
Amount: 2.5 oz

Yeast

Name Attenuation When
Wyeast 2001 Urquell Lager 74 % Primary
Name: Wyeast 2001 Urquell Lager
Attenuation: 74 %
When: Primary
 

Additives

Name Amount When Time
Epsom Salt 0.21 oz Mash 60 min
Calcium Carbonate 0.49 oz Mash 60 min
Irish Moss 0.3 tsp Boil 10 min
Name: Epsom Salt
Amount: 0.21 oz
When: Mash
Time: 60 min
Name: Calcium Carbonate
Amount: 0.49 oz
When: Mash
Time: 60 min
Name: Irish Moss
Amount: 0.3 tsp
When: Boil
Time: 10 min
 
 
Recipe Source: Tim Gorman