Barrel Aged Imperial Stout

Method: All Grain
Style: Imperial Stout
Boil Time: 90 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 8.1 gallons
Post Boil Size: 5.75 gallons
Pre Boil Gravity: 1.060 (recipe based estimate)
Post Boil Gravity: 1.085 (recipe based estimate)
Efficiency: 70% (brew house)
Hop Utilization: 98%
Calories: 283 calories (Per 12oz)
Carbs: 28.9 g (Per 12oz)

Created: Thursday April 10th 2025

Reese's Black is Beautiful

by Tmurph6

OG: 1.095 FG: 1.021 ABV: 9.7% IBU: 70

Black Out Stout

OG: 1.075 FG: 1.018 ABV: 7.5% IBU: 73

Amount	Fermentable	PPG	°L	Bill %
12 lb	United Kingdom - Maris Otter Pale12 lb Maris Otter Pale	38	3.75	65.8%
2 lb	Weyermann - Munich Type I2 lb Munich Type I	38	6	11%
1 lb	Flaked Oats1 lb Flaked Oats	33	2.2	5.5%
1 lb	American - Chocolate1 lb Chocolate	29	350	5.5%
0.75 lb	American - Black Malt0.75 lb Black Malt	28	500	4.1%
0.75 lb	American - Roasted Barley0.75 lb Roasted Barley	33	300	4.1%
0.50 lb	American - Caramel / Crystal 80L0.5 lb Caramel / Crystal 80L	33	80	2.7%
0.25 lb	Special B0.25 lb Special B	34	115	1.4%
18.25 lbs / $ 0.00

Amount

Fermentable

Cost

PPG

°L

Bill %

12 lb

United Kingdom - Maris Otter Pale

3.75

65.8%

2 lb

Weyermann - Munich Type I

11%

1 lb

Flaked Oats

2.2

5.5%

1 lb

American - Chocolate

350

5.5%

0.75 lb

American - Black Malt

500

4.1%

0.75 lb

American - Roasted Barley

300

4.1%

0.50 lb

American - Caramel / Crystal 80L

2.7%

0.25 lb

Special B

115

1.4%

18.25 lbs / $ 0.00

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1.91 oz	Magnum1.91 oz Magnum Hops	Pellet	14	Boil	60 min	82.72	74.9%
0.64 oz	Fuggles0.64 oz Fuggles Hops	Pellet	4.5	Boil	15 min	4.42	25.1%
2.55 oz / $ 0.00

Amount

Variety

Cost

Type

Use

Time

IBU

Bill %

1.91 oz

Magnum

Pellet

Boil

60 min

82.72

74.9%

0.64 oz

Fuggles

Pellet

4.5

Boil

15 min

4.42

25.1%

2.55 oz / $ 0.00

Amount	Variety	IBU	Bill %
1.91 oz	Magnum (Pellet) 1.909999995631 oz Magnum (Pellet) Hops	82.72	74.9%
0.64 oz	Fuggles (Pellet)	4.42	25.1%
2.55 oz / $ 0.00

Amount	Name	Cost	Type	Use	Time
3 ml	Lactic acid		Water Agt	Mash	0 min.

Amount

Name

Cost

Type

Use

Time

3 ml

Lactic acid

Water Agt

Mash

0 min.

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
10	5	11	3	0	69
Mash Chemistry and Brewing Water Calculator

Ca⁺²

Mg⁺²

Na⁺

Cl^-

SO₄^-2

HCO₃^-

Mash Chemistry and Brewing Water Calculator

Water	Gallons	Quarts
Strike water volume at mash thickness of 1.5 qt/lb	6.84	27.4
Mash volume with grains	8.3	33.2
Grain absorption losses	-2.28	-9.1
Remaining sparge water volume (equipment estimates 3.53 g \| 14.1 qt)	3.79	15.2
Mash Lauter Tun losses	-0.25	-1
Pre boil volume (equipment estimates 7.85 g \| 31.4 qt)	8.1	32.4
Boil off losses	-2.25	-9
Hops absorption losses (first wort, boil, aroma)	-0.1	-0.4
Post boil Volume (equipment estimates 5.5 g \| 22 qt)	5.75	23
WARNING: Exceeded batch size - reduce boil size
Going into fermentor (equipment estimates 5.75 g \| 23 qt)	5.5	22
Total:	10.63	42.5
Equipment Profile Used:	System Default

Water

Gallons

Quarts

Strike water volume at mash thickness of 1.5 qt/lb

6.84

27.4

Mash volume with grains

8.3

33.2

Grain absorption losses

-2.28

-9.1

Remaining sparge water volume (equipment estimates 3.53 g | 14.1 qt)

3.79

15.2

Mash Lauter Tun losses

-0.25

-1

Pre boil volume (equipment estimates 7.85 g | 31.4 qt)

8.1

32.4

Boil off losses

-2.25

-9

Hops absorption losses (first wort, boil, aroma)

-0.1

-0.4

Post boil Volume (equipment estimates 5.5 g | 22 qt)

5.75

WARNING: Exceeded batch size - reduce boil size

Going into fermentor (equipment estimates 5.75 g | 23 qt)

5.5

Total:

10.63

42.5

Equipment Profile Used:

System Default

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Barrel Aged Imperial Stout