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Gatekeeper

Method: All Grain
Style: Irish Stout
Boil Time: 90 min
Batch Size: 25 liters (fermentor volume)
Pre Boil Size: 32 liters
Post Boil Size: 25 liters
Pre Boil Gravity: 1.034 (recipe based estimate)
Post Boil Gravity: 1.044 (recipe based estimate)
Efficiency: 78% (brew house)
Calories: 135 calories (Per 330ml)
Carbs: 14.7 g (Per 330ml)

Created: Sunday April 22nd 2018

Original Gravity:

1.044

Final Gravity:

1.012

ABV (standard):

4.2%

IBU (tinseth):

26.6

SRM (morey):

29.1

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
3.40 kg	Muntons - Maris Otter Extra Pale3.4 kg Maris Otter Extra Pale	38	2	73.4%
500 g	Castle Malting - Château Roasted Barley500 g Château Roasted Barley	30	432	10.8%
500 g	Gladfield - Flaked Barley (harraway's)500 g Flaked Barley (harraway's)	33.1	1.68	10.8%
230 g	Castle Malting - Château Biscuit230 g Château Biscuit	35	17	5%
4,630 g / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
20 g	Cascade20 g Cascade Hops	Pellet	8.3	Boil	90 min	20.75	40%
30 g	Cascade30 g Cascade Hops	Pellet	8.3	Boil	5 min	5.8	60%
50 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
50 g	Cascade (Pellet) 50 g Cascade (Pellet) Hops		26.55	100%
50 g / $ 0.00

Yeast

Fermentis - Safbrew - General/Belgian Yeast S-33

Amount:	5.21 Each	Cost:
Attenuation (custom):	73%	Flocculation:	High
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	15 °C	Pitch Rate:	0.75 (M cells / ml / ° P) 205 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.25 Volumes

Target Water Profile

Pilsen (Light Lager)

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
116	3	2	160	105	61
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

3,571

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Brews

Public: Yup, Shared
Last Updated: 2025-06-25 01:02 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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