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1909 Maclay's Oatmalt Stout

212 calories 27 carbs
Beer Stats
Method: All Grain
Style: Oatmeal Stout
Boil Time: 90 min
Batch Size: 23.2 liters (fermentor volume)
Pre Boil Size: 31.9 liters
Pre Boil Gravity: 1.036 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Kristen England (from historical records)
Calories: 212 calories (Per 355mL)
Carbs: 27 g (Per 355mL)
Created Saturday June 8th 2019
1.063
1.023
5.28%
42.3
37.48
5.5
 
Fermentables
Amount Fermentable PPG °L Bill %
2 kg United Kingdom - Golden Promise2 kg Golden Promise 37 3 31.2%
1.25 kg German - Pale Ale1.25 kg Pale Ale 39 2.3 19.5%
0.84 kg United Kingdom - Oat Malt0.84 kg Oat Malt 28 2 13.1%
0.83 kg Invert Sugar0.83 kg Invert Sugar - (late addition) 46 1 12.9%
0.55 kg United Kingdom - Black Patent0.55 kg Black Patent 27 525 8.6%
0.5 kg American - Pale 6-Row0.5 kg Pale 6-Row 35 1.8 7.8%
0.17 kg United Kingdom - Amber0.17 kg Amber 32 27 2.7%
0.17 kg Cane Sugar0.17 kg Cane Sugar 46 0 2.7%
0.1 kg Rice Hulls0.1 kg Rice Hulls 0 0 1.6%
6.41 kg Total      
 
Hops
Amount Variety Type AA Use Time IBU Bill %
55 g East Kent Goldings55 g East Kent Goldings Hops Pellet 5 Boil 90 min 36.57 90.2%
6 g Centennial6 g Centennial Hops Pellet 10 Boil 30 min 5.73 9.8%
 
Mash Guidelines
Amount Description Type Temp Time
16.5 L Lower Saccharification Rest Infusion 65 °C 70 min
L Upper Saccharification Rest Temperature 72 °C 20 min
22 L Batch Sparge Sparge 80 °C 20 min
Starting Mash Thickness: 3 L/kg
 
Other Ingredients
Amount Name Type Use Time
2 g Baking Soda Water Agt Mash 1 hr.
3 g Calcium Chloride Water Agt Mash 1 hr.
4 g Epsom Salt Water Agt Mash 1 hr.
4 g Gypsum Water Agt Mash 1 hr.
13.5 g Licorice Flavor Boil 20 min.
0.5 each Whirlfloc Fining Boil 10 min.
4 g Yeast Nutrients Water Agt Boil 10 min.
 
Yeast
White Labs - Edinburgh Scottish Ale Yeast WLP028
Amount:
1
Attenuation (custom):
60%
Flocculation:
Medium
Optimum Temp:
18 - 21 °C
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 125 B cells required
Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.2 Volumes
 
Target Water Profile
Edinburgh (Scottish Ale, Malty Ale)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
100 18 20 45 105 235
Mash Chemistry and Brewing Water Calculator
Author: Kristen England (from historical records), Method: All Grain, Style: Oatmeal Stout, ABV 5.28%, IBU 42.3, SRM 37.48, Fermentables: (Golden Promise, Pale Ale, Oat Malt, Invert Sugar, Black Patent, Pale 6-Row, Amber, Cane Sugar, Rice Hulls) Hops: (East Kent Goldings, Centennial) Other: (Baking Soda, Calcium Chloride, Epsom Salt, Gypsum, Licorice, Whirlfloc, Yeast Nutrients)
Last Updated and Sharing
 
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Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2019-06-20 06:03 UTC
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