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Gatekeeper

Method: All Grain
Style: Irish Red Ale
Boil Time: 90 min
Batch Size: 25 liters (fermentor volume)
Pre Boil Size: 32 liters
Post Boil Size: 25 liters
Pre Boil Gravity: 1.036 (recipe based estimate)
Post Boil Gravity: 1.046 (recipe based estimate)
Efficiency: 81% (brew house)
Calories: 140 calories (Per 330ml)
Carbs: 13.6 g (Per 330ml)

Created: Sunday April 22nd 2018

R002/2020 IRISH RED ALE SLIGO

by SE AULD HWAEL

OG: 1.046 FG: 1.011 ABV: 4.5% IBU: 23

Original Gravity:

1.046

Final Gravity:

1.010

ABV (standard):

4.7%

IBU (tinseth):

21.4

SRM (morey):

15.1

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
3.45 kg	Muntons - Maris Otter Extra Pale3.45 kg Maris Otter Extra Pale	38	2	76.5%
675 g	Weyermann - Munich Type II (Dark)675 g Munich Type II (Dark)	37	10	15%
250 g	Castle Malting - Château Crystal250 g Château Crystal	34.4	60.6	5.5%
135 g	Castle Malting - Château Roasted Barley135 g Château Roasted Barley	30	432	3%
4,510 g / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
10 g	Barth-Haas - Sabro10 g Sabro Hops		Pellet	17.3	Boil	90 min	21.37	100%
10 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
10 g	Barth-Haas - Sabro (Pellet) 10 g Sabro (Pellet) Hops		21.37	100%
10 g / $ 0.00

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	5.21 Each	Cost:
Attenuation (custom):	78%	Flocculation:	Medium
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	15 °C	Pitch Rate:	0.75 (M cells / ml / ° P) 214 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

3,230

Views

Brews

Public: Yup, Shared
Last Updated: 2025-04-23 08:14 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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