Imperial Stout Recipe - Deepwater Horizon

Recipe Info

Recipe Image

Deepwater Horizon

by on
All Grain
20 Liter(s)
26 Liter(s)
120 min
70%
The grandfather of stouts

Fermentables

50% - Maris Otter Pale - UK
6.5
38
3
Mash
8% - Munich (DE)
1
37
8
Mash
8% - Flaked Oats - US
1
37
1
Mash
5% - Pale Chocolate - UK
0.7
32
200
Mash
4% - CaraMunich III - DE
0.5
34
57
Mash
4% - Roasted Barley - UK
0.5
29
550
Mash
2% - Special B - BE
0.3
30
180
Mash
1% - Black Malt - UK
0.1
28
500
Mash
19% - Dermerera sugar
2.5
36
200
Mash

Hops

Magnum (DE)
60
Pellet
Boil
60 min(s)
14
47.8
East Kent Golding (UK)
40
Pellet
Boil
15 min(s)
5
5.6
Jarrylo
50
Pellet
Boil
15 min(s)
11.4
16.1
East Kent Golding (UK)
50
Pellet
FlameOut
0 min(s)
5
0.0
Jarrylo
50
Pellet
FlameOut
0 min(s)
11.4
0.0

Yeast

White Labs Dry English ale WLP007
75%
Lalvin EC-1118
90%

Other Stuff

Yeast Nutrient
5
ml
Boil
Whirlfloc
5
ml
Boil
CaSO4
0.0025
kg
Mash
CaCl2
0.0045
kg
Mash
NaHCO3
0.003
kg
Mash
Clarity Ferm
5
ml
Primary
Dark roasted coffee, strong (60 g coffee)
1
l
Bottle

Mash Steps

Maltose Rest
Direct Heat
63
90 min
Saccharification Rest
Direct Heat
72
30 min
Mash-Out
Direct Heat
78
10 min

Special Instructions

1.
A large starter is needed: 3,5 liters/2 vials
2.
Check pH. Should be around 5,3. Add NaHCO3 if necessary.
3.
Add 700 g demerara sugar @ during boil
4.
Add pure oxygen before pitching yeast
5.
Add 600 g demerara sugar @ day 5
6.
Add champagne yeast (rehydrate 10 g) @ day 5
7.
Add 600 g demerara sugar @ day 7
8.
Add 600 g demerara sugar @ day 9
9.
Transfer to keg @ day 14-16 along with 1 liter dark roast coffee
10.
Lager for 6 weeks at 12-15 C and force carbonate to 2.3 vol. CO2

Tasting Notes (0)

There aren't any tasting notes logged yet

Recipe Facts

Deepwater Horizon
Imperial Stout
  • 20.00 Gallons Liters Batch Size
  • 26.00 Gallons Liters Boil Size
  • 120  min Boil Time
  • 1.139 OG
  • 1.024 FG
  • 69.5 IBU (tinseth) Bitterness
  • 0.50 BG:GU
  • 100.7° SRM Color
  • 70% Efficiency
  • 14.8% ABV Alcohol
  • 511 per 12oz Calories
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