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Obscal

287 calories 26.5 g 330 ml
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Beer Stats
Method: Partial Mash
Style: Russian Imperial Stout
Boil Time: 60 min
Batch Size: 6 liters (fermentor volume)
Pre Boil Size: 12 liters
Post Boil Size: 6 liters
Pre Boil Gravity: 1.046 (recipe based estimate)
Post Boil Gravity: 1.093 (recipe based estimate)
Efficiency: 70% (brew house)
Source: MohsisBrau
Calories: 287 calories (Per 330ml)
Carbs: 26.5 g (Per 330ml)
Created: Wednesday April 29th 2020
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Fermentables
Amount Fermentable Cost PPG °L Bill %
2 kg United Kingdom - Maris Otter Pale2 kg Maris Otter Pale 38 3.75 76.9%
0.20 kg Holland & Barrett - Organic Flaked Barley0.2 kg Organic Flaked Barley 28 2.52 7.7%
0.10 kg Crisp Malting - Chocolate Malt0.1 kg Chocolate Malt 32.66 380 3.8%
0.20 kg Crisp Malting - Pale Ale0.2 kg Pale Ale 38 4 7.7%
0.10 kg United Kingdom - Roasted Barley0.1 kg Roasted Barley 29 550 3.8%
2.60 kg / 0.00 €
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
40 g East Kent Goldings40 g East Kent Goldings Hops Leaf/Whole 5 Boil 60 min 79.41 66.7%
20 g East Kent Goldings20 g East Kent Goldings Hops Leaf/Whole 5 Boil 0 min 33.3%
60 g / 0.00 €
 
Yeast
Mangrove Jack - New World Strong Ale M42
Amount:
23 Grams
Cost:
Attenuation (avg):
79.5%
Flocculation:
High
Optimum Temp:
16 - 22 °C
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.75 (M cells / ml / ° P) 100 B cells required
0.00 € Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       CO2 Level: 1.65 Volumes
 
Target Water Profile
28827
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
97 19 5 7 14 400
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
7.5 L 52 °C -- 15 min
7.5 L 68 °C -- 60 min
7.5 L 78 °C -- 10 min
Quick Water Requirements
Water Liters
Heat water added to kettle 14.6
Mash volume with grains (equipment estimates 14.6 L) 16.3
Grain absorption losses (steeping) -2.6
Mash Lauter Tun losses -0.9
Pre boil volume 12
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.3
Post boil volume 6
Going into fermentor 6
WARNING: Kettle losses > 2% detected which throw off OG calculation for extract/partial mash recipes in batch target 'fermentor' mode. Solution: Reduce kettle losses, misc losses and hops absorption in equipment profile, OR set batch target to 'kettle' and do a full wort boil. See batch target FAQ.  
Total: 14.6  
Equipment Profile Used: System Default
"Obscal" Russian Imperial Stout beer recipe by MohsisBrau. Partial Mash, ABV 9.69%, IBU 79.41, SRM 44.59, Fermentables: (Maris Otter Pale, Organic Flaked Barley, Chocolate Malt, Pale Ale, Roasted Barley) Hops: (East Kent Goldings)
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  • Public: Yup, Shared
  • Last Updated: 2020-04-29 21:07 UTC