Imperial Stout

Method: BIAB
Style: Imperial Stout
Boil Time: 60 min
Batch Size: 12 liters (fermentor volume)
Pre Boil Size: 15.815 liters
Post Boil Size: 12.5 liters
Pre Boil Gravity: 1.083 (recipe based estimate)
Post Boil Gravity: 1.105 (recipe based estimate)
Efficiency: 82% (brew house)
Calories: 324 calories (Per 330ml)
Carbs: 28.1 g (Per 330ml)

Created: Sunday January 8th 2023

Original Gravity:

1.105

Final Gravity:

1.019

ABV (standard):

11.3%

IBU (tinseth):

76.2

SRM (morey):

50.0

Mash pH

5.4

Cost €

19.20

Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
3.43 kg	Thomas Fawcett - Maris Otter Pale Ale Malt3.43138 kg Maris Otter Pale Ale Malt	3.75 € / kg 12.87 €	38	2.65	70.7%
0.39 kg	Flaked Oats0.388094 kg Flaked Oats	4.50 € / kg 1.75 €	33	2.2	6.9%
0.39 kg	Weyermann - Roasted Barley0.394807 kg Roasted Barley	3.25 € / kg 1.28 €	29.9	432	6.4%
0.27 kg	Bestmalz - BEST Chocolate0.272972 kg BEST Chocolate	3.35 € / kg 0.91 €	34.5	337.82	5.1%
0.17 kg	Bestmalz - BEST Black Malt0.166559 kg BEST Black Malt	3.45 € / kg 0.57 €	30	425	2.7%
0.15 kg	Caramel / Crystal 60L0.146964 kg Caramel / Crystal 60L		34	60	2.7%
0.13 kg	Dingemans - Cara 120 MD0.130635 kg Cara 120 MD	2.85 € / kg 0.37 €	34	120	2.4%
0.09 kg	Dingemans - Aromatic Malt0.0914442 kg Aromatic Malt		36.3	19	1.8%
0.07 kg	Dingemans - Special B0.0725294 kg Special B		33.1	125	1.3%
5.10 kg / 17.76 €

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
27 g	Magnum27 g Magnum Hops	0.02 € / g 0.54 €	Pellet	16.2	Boil	60 min	68.64	42.9%
16 g	East Kent Goldings16 g East Kent Goldings Hops	0.05 € / g 0.80 €	Pellet	6.1	Boil	15 min	7.6	25.4%
20 g	East Kent Goldings20 g East Kent Goldings Hops		Pellet	6.1	Boil	0 min		31.7%
63 g / 1.34 €

Show Summary View

Amount	Variety	Cost	IBU	Bill %
27 g	Magnum (Pellet) 27 g Magnum (Pellet) Hops	0.02 € / g 0.54 €	68.64	42.9%
36 g	East Kent Goldings (Pellet) 36 g East Kent Goldings (Pellet) Hops	0.05 € / g 1.80 €	7.6	57.1%
63 g / 2.34 €

Other Ingredients

Amount	Name	Cost	Type	Use	Time
2.50 g	Nutrisal	0.04 € / g 0.11 €	Other	Boil	15 min.
2 ml	Calcium Chloride (dihydrate)		Water Agt	Mash	1 hr.
2 g	Gypsum		Water Agt	Mash	1 hr.
0.50 g	Salt		Water Agt	Mash	1 hr.
0.43 ml	Lactic acid		Water Agt	Mash	1 hr.
0.11 €

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	33 Grams	Cost:
Attenuation (avg):	81%	Flocculation:	Medium
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	19 °C	Pitch Rate:	1.0 (M cells / ml / ° P) 298 B cells required

0.00 € Yeast Pitch Rate and Starter Calculator

Priming

Method: sucrose Amount: 69 g Temp: 20 °C CO₂ Level: 2.3 Volumes

Target Water Profile

Albert Heijn koolzuurvrij water Romy

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
150	15	80	100	70	0
Mash Chemistry and Brewing Water Calculator

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
10.5 L		Infusion	69 °C	67 °C	75 min
5 L		Sparge	70 °C	100 °C	--

Quick Water Requirements

Water	Liters
Strike water volume (equipment estimates 24 L)	21.8
Mash volume with grains (equipment estimates 27.4 L)	25.2
Grain absorption losses	-5.1
Mash Lauter Tun losses	-0.9
Pre boil volume (equipment estimates 18 L)	15.8
Boil off losses	-5.7
Hops absorption losses (first wort, boil, aroma)	-0.3
Post boil Volume (equipment estimates 12 L)	12.5
WARNING: Exceeded batch size - reduce boil size
Volume into fermentor (equipment estimates 12.5 L)	12
Total:	21.8
Equipment Profile Used:	System Default

Notes

Ferment at 19C and as fermentation kicks off re-oxygenate. Raise to 21C as fermentation slows. Keep on yeast for 2-3 weeks.
Cold crash, bottle at 2.3 vol of CO2 and age to perfection.

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Last Updated: 2023-01-08 16:51 UTC

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Imperial Stout