Dark Depths 20/20 Beer Recipe | All Grain Russian Imperial Stout | Brewer's Friend
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Dark Depths 20/20

299 calories 28.1 g 16 oz
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Beer Stats
Method: All Grain
Style: Russian Imperial Stout
Boil Time: 120 min
Batch Size: 11.5 gallons (fermentor volume)
Pre Boil Size: 15.95 gallons
Post Boil Size: 12.75 gallons
Pre Boil Gravity: 1.072 (recipe based estimate)
Post Boil Gravity: 1.090 (recipe based estimate)
Efficiency: 72% (brew house)
Source: S.E.A. Breeze Brewing
Calories: 299 calories (Per 16oz)
Carbs: 28.1 g (Per 16oz)
Created: Friday October 17th 2025
1.090
1.019
10.1%
45.0
39.5
5.4
n/a
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Fermentables
Amount Fermentable Cost PPG °L Bill %
32 lb American - Pale Ale32 lb Pale Ale 37 3.5 80%
2 lb Caramel / Crystal 60L2 lb Caramel / Crystal 60L 34 60 5%
1 lb Simpsons - Chocolate Malt1 lb Chocolate Malt 31.7 444 2.5%
1 lb American - Midnight Wheat Malt1 lb Midnight Wheat Malt 33 550 2.5%
0.50 lb Briess - Caramel Malt - 120L0.5 lb Caramel Malt - 120L 34.5 120 1.3%
0.50 lb United Kingdom - Coffee Malt0.5 lb Coffee Malt 36 150 1.3%
2 lb Bestmalz - BEST Chit Malt2 lb BEST Chit Malt 23 1.4 5%
1 lb Maple Syrup1 lb Maple Syrup 29.8 0 2.5%
40 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1.50 oz Columbus1.5 oz Columbus Hops Pellet 15 Boil 45 min 28 33.3%
1 oz Columbus1 oz Columbus Hops Pellet 15 Boil 15 min 10.09 22.2%
2 oz Yakima Valley Hops - Simcoe2 oz Simcoe Hops Pellet 12.8 Boil 5 min 6.92 44.4%
4.50 oz / $ 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
10.96 gal Strike 171 °F 155 °F 60 min
11.05 gal Fly Sparge 168 °F 168 °F 30 min
Starting Mash Thickness: 1.1 qt/lb
Starting Grain Temp: 65 °F
 
Other Ingredients
Amount Name Cost Type Use Time
12 g Calcium Chloride (dihydrate) Water Agt Mash 0 min.
15 ml Lactic acid Water Agt Mash 0 min.
 
Yeast
Mangrove Jack - New World Strong Ale M42
Amount:
2 Each
Cost:
Attenuation (avg):
79.5%
Flocculation:
High
Optimum Temp:
61 - 72 °F
Starter:
Yes
Fermentation Temp:
65 °F
Pitch Rate:
1.0 (M cells / ml / ° P) 939 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       Amount: 11.12 psi       Temp: 33 °F       CO2 Level: 2.75 Volumes
 
Target Water Profile
Fairhaven, MA
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
"Dark Depths 20/20" Russian Imperial Stout beer recipe by S.E.A. Breeze Brewing. All Grain, ABV 10.09%, IBU 45.01, SRM 39.48, Fermentables: (Pale Ale, Caramel / Crystal 60L, Chocolate Malt, Midnight Wheat Malt, Caramel Malt - 120L, Coffee Malt, BEST Chit Malt, Maple Syrup) Hops: (Columbus, Simcoe) Other: (Calcium Chloride (dihydrate), Lactic acid)
Recipe Picture
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Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2025-10-22 18:32 UTC
NEW Water Requirements:
Dark Depths 20/20
Equipment Profile Used

System Default

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Water Requirements:
Dark Depths 20/20
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Recipe Cost $ (USD)
Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.
Gallons
Cost $ Cost %
Fermentables $
Steeping Grains
(Extract Only)		 $
Hops $
Yeast $
Other $
Cost Per Barrel $ 0.00
Cost Per Pint $ 0.00
Total Cost $ 0.00
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