Brewer's Friend

Print

Double Decker Stout

292 calories 32.2 g 12 oz
brewer logo
Beer Stats
Method: All Grain
Style: Sweet Stout
Boil Time: 60 min
Batch Size: 50 liters (fermentor volume)
Pre Boil Size: 55.25 liters
Post Boil Size: 51 liters
Pre Boil Gravity: 1.080 (recipe based estimate)
Post Boil Gravity: 1.087 (recipe based estimate)
Efficiency: 76% (brew house)
Calories: 292 calories (Per 12oz)
Carbs: 32.2 g (Per 12oz)
Created: Monday August 10th 2026
1.087
1.025
8.1%
10.6
41.9
5.3
53.50
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
9 kg Weyermann - Pale Ale9 kg Pale Ale $ 3.00 / kg
$ 27.00 		39 2.3 48.6%
3 kg Briess - Brewers Oat Flakes / Flaked oats3 kg Brewers Oat Flakes / Flaked oats 32.2 2.5 16.2%
2 kg German - CaraBohemian2 kg CaraBohemian 33 75 10.8%
1 kg Crisp Malting - Dark Crystal (400 EBC)1 kg Dark Crystal (400 EBC) 32 158 5.4%
1 kg Belgian - Biscuit1 kg Biscuit 35 23 5.4%
0.50 kg Crisp Malting - Chocolate Malt0.5 kg Chocolate Malt $ 3.00 / kg
$ 1.50 		32.66 450 2.7%
1 kg Pauls Malt - Light Chocolate - Reliable Lighthouse Light1 kg Light Chocolate - Reliable Lighthouse Light 34 190 5.4%
1 kg Lactose (Milk Sugar)1 kg Lactose (Milk Sugar) 41 1 5.4%
18.50 kg / $ 28.50
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
50 g Charles Faram - Fuggles50 g Fuggles Hops $ 0.10 / g
$ 5.00 		Pellet 5.5 Boil 60 min 10.64 100%
50 g / $ 5.00
 
Yeast
Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST
Amount:
4 Each
Cost:
$ 5.00 / each
$ 20.00
Attenuation (avg):
80%
Flocculation:
High
Optimum Temp:
10 - 22 °C
Starter:
No
Fermentation Temp:
18 °C
Pitch Rate:
0.35 (M cells / ml / ° P) 366 B cells required
$ 20.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 1.65 Volumes
 
Target Water Profile
Stockholm South (Norsborgs)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
24 4 11 14 41 51
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
56 L Strike 74 °C 69 °C 60 min
Starting Mash Thickness: 3.2 L/kg
Starting Grain Temp: 20 °C
Quick Water Requirements
Water Liters
WARNING: Boil kettle capacity (45.4 L) exceeded. Volume required: 55.95 L. Suggest reducing initial water volume to 45.4 L and adding 10.55 L sparge/top-off.  
WARNING: Mash tun capacity exceeded. Volume required: 67.55 L. Suggest reducing strike water volume to 33.85 L and adding 22.15 L sparge/top-off. 56
Strike water volume at mash thickness of 3.2 L/kg 56
Mash volume with grains 67.6
Grain absorption losses -17.5
Remaining sparge water volume (equipment estimates 17.7 L) 17
Mash Lauter Tun losses -0.9
Volume increase from sugar/extract (early additions) 0.7
Pre boil volume (equipment estimates 56 L) 55.3
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.3
Post boil Volume (equipment estimates 50 L) 51
WARNING: Exceeded batch size - reduce boil size  
Going into fermentor (equipment estimates 51 L) 50
Total: 73  
Equipment Profile Used: System Default
 
Notes

30-40 double decker bars added just before primary fermentation is complete around 1.025 (day 3-4+)
Fermentation schedule:
Days 1–3
18°C
Days 3–5
Rise to 19–20°C

Last Updated and Sharing
 
28
Views
0
Brews
Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2026-08-10 07:58 UTC