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Welcome to Derry

Method: Partial Mash
Style: Irish Red Ale
Boil Time: 60 min
Batch Size: 4 gallons (fermentor volume)
Pre Boil Size: 4.5 gallons
Pre Boil Gravity: 1.040 (recipe based estimate)
Post Boil Gravity: 1.045 (recipe based estimate)
Efficiency: 50% (brew house)
Calories: 149 calories (Per 12oz)
Carbs: 15.9 g (Per 12oz)

Created: Sunday January 18th 2026

Original Gravity:

1.045

Final Gravity:

1.012

ABV (standard):

4.4%

IBU (tinseth):

25.1

SRM (morey):

13.4

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
3.25 lb	Dingemans - Pale Ale 3.25 lb Pale Ale	37.72	3.9	52.3%
4 oz	Simpsons - Light Crystal4 oz Light Crystal	34	39	4%
3.50 oz	Briess - Roasted Barley3.5 oz Roasted Barley	33.1	300	3.5%
2.50 lb	Briess - DME Golden Light2.5 lb DME Golden Light	44.6	4	40.2%
6.22 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
0.13 oz	East Kent Goldings0.125 oz East Kent Goldings Hops	Pellet	5	Boil	60 min	3.24	12.5%
0.25 oz	Fuggles0.25 oz Fuggles Hops	Pellet	5.6	Boil	5 min	1.45	25%
0.63 oz	East Kent Goldings0.625 oz East Kent Goldings Hops	Pellet	6.3	Boil	60 min	20.44	62.5%
1 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
0.12 oz	East Kent Goldings (Pellet)	3.24	12.5%
0.25 oz	Fuggles (Pellet)	1.45	25%
0.62 oz	East Kent Goldings (Pellet)	20.44	62.5%
1 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
3 gal		Steeping	156 °F	152 °F	45 min
	mashout	Temperature	--	170 °F	--
1.25 gal	Rinse	Sparge	--	170 °F	--
0.5 gal		Top Off	--	212 °F	--

Other Ingredients

Amount	Name	Cost	Type	Use	Time
0.50 tsp	Irish Moss		Fining	Boil	15 min.

Yeast

White Labs - Irish Ale Yeast WLP004

Amount:	1 Each	Cost:
Attenuation (avg):	71.5%	Flocculation:	Med-High
Optimum Temp:	65 - 68 °F	Starter:	Yes
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 59 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: dextrose Amount: 3.6 oz Temp: 68 °F CO₂ Level: 2.4 Volumes

Target Water Profile

Balanced Profile

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

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2026-02-03 14:22 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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