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1939 Irish Stout

Method: All Grain
Style: Irish Extra Stout
Boil Time: 90 min
Batch Size: 19 liters (fermentor volume)
Pre Boil Size: 27.63 liters
Post Boil Size: 19 liters
Pre Boil Gravity: 9.5 °P (recipe based estimate)
Post Boil Gravity: 13.6 °P (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 169 calories (Per 330ml)
Carbs: 17.2 g (Per 330ml)

Created: Tuesday March 3rd 2026

Original Gravity:

13.6 °P

Final Gravity:

3.4 °P

ABV (standard):

5.5%

IBU (tinseth):

45.7

EBC (ebcmorey):

64.2

Mash pH

5.6

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	EBC	Bill %
4.25 kg	Weyermann - Pale Ale4.25 kg Pale Ale	39	4.64	90.4%
0.45 kg	Weyermann - Roasted Barley0.45 kg Roasted Barley	29.9	1151.32	9.6%
4.70 kg / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
22 g	Barth-Haas - Hallertauer Magnum22 g Hallertauer Magnum Hops		Pellet	13.5	Boil	70 min	45.68	100%
22 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
22 g	Barth-Haas - Hallertauer Magnum (Pellet) 22 g Hallertauer Magnum (Pellet) Hops		45.68	100%
22 g / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
17.15 L	Strike	67 °C	67 °C	60 min
	Temperature	67 °C	72 °C	5 min
	Temperature	72 °C	72 °C	10 min
	Temperature	72 °C	76 °C	4 min
	Temperature	76 °C	76 °C	10 min
Starting Mash Thickness: 3.65 L/kg Starting Grain Temp: 20 °C

Other Ingredients

Amount	Name	Cost	Type	Use	Time
4 g	Calcium Chloride (dihydrate)		Water Agt	Mash	1 hr.

Yeast

Fermentis - Safale - English Ale Yeast S-04

Amount:	1 Each	Cost:
Attenuation (avg):	75%	Flocculation:	High
Optimum Temp:	12 - 25 °C	Starter:	Yes
Fermentation Temp:	18 °C	Pitch Rate:	1.0 (M cells / ml / ° P) 258 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Amount: 0.57 bar CO₂ Level: 2.5 Volumes

Target Water Profile

treated

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
32.9	0	0	58.3	0	0.2
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-03-03 02:12 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost $	Cost %
Fermentables	$
Steeping Grains (Extract Only)	$
Hops	$
Yeast	$
Other	$
Cost Per Barrel	$ 0.00
Cost Per Pint	$ 0.00
Total Cost	$ 0.00

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