Imperial Stout Recipe - Petroleum Imperial Stout 8 Percent

Recipe Info

Recipe Image

Petroleum Imperial Stout 8 Percent

by on
All Grain
24 Liter(s)
29 Liter(s)
90 min
72%
All Grain Imperial Stout homebrew recipe. This homebrew recipe uses the following ingredients: Maris Otter Pale - UK, Cara Malt - UK, Caramel/Crystal 40 - US, Chocolate - UK, Flaked Barley - US, Flaked Oats - US, Roasted Barley - UK, Munich - UK, Coffee Malt - UK, Nugget Hops, Tettnang Hops, Cascade Hops, Mangrove-Jacks M-07 British Ale Homebrew Yeast, Irish Moss, Cocoa extract, Calcium Carbonate, Oak barrel bits, Cocoa nibs.

This recipe was cloned from Petroleum Imperial Stout.

Fermentables

68% - Maris Otter Pale - UK
6
38
3
Mash
6% - Cara Malt - UK
0.5
35
17
Mash
4% - Caramel/Crystal 40 - US
0.35
35
40
Mash
2% - Chocolate - UK
0.2
34
425
Mash
4% - Flaked Barley - US
0.35
32
2
Mash
4% - Flaked Oats - US
0.35
37
1
Mash
3% - Roasted Barley - UK
0.25
29
550
Mash
6% - Munich - UK
0.5
37
9
Mash
3% - Coffee Malt - UK
0.3
36
150
Mash

Hops

Nugget
35
Pellet
Boil
90 min(s)
13.3
39.7
Tettnang
30
Pellet
Boil
30 min(s)
4.5
8.3
Cascade
10
Pellet
Boil
15 min(s)
5.8
2.3

Yeast

Mangrove-Jacks M-07 British Ale
77%

Other Stuff

Irish Moss
1
each
Boil
Cocoa extract
0.015
kg
Secondary
Calcium Carbonate
0.001
kg
Mash
Oak barrel bits
0.01
kg
Secondary
Cocoa nibs
0.01
kg
Secondary

Mash Steps

Protein Rest
Infusion
50
15 min
Saccharification Rest
Direct Heat
66
30 min
Saccharification Rest
Direct Heat
68
40 min

Special Instructions

1.
Pitch rate= 20*24*1=480B cells
2.
Ferment at 19C for 7 to 10 days
3.
Secondary for 3 weeks, decreasing temp down to 10C then 2 weeks at 10C and to 2C

Tasting Notes (0)

There aren't any tasting notes logged yet

Recipe Facts

Petroleum Imperial Stout 8 Percent
Imperial Stout
  • 24.00 Gallons Liters Batch Size
  • 29.00 Gallons Liters Boil Size
  • 90  min Boil Time
  • 1.081 OG
  • 1.019 FG
  • 50.3 IBU (tinseth) Bitterness
  • 0.62 BG:GU
  • 37.9° SRM Color
  • 72% Efficiency
  • 8.1% ABV Alcohol
  • 281 per 12oz Calories
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