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Murphy's Iris Stout

Method: All Grain
Style: Irish Stout
Boil Time: 60 min
Batch Size: 7 gallons (fermentor volume)
Pre Boil Size: 9 gallons
Pre Boil Gravity: 1.032 (recipe based estimate)
Post Boil Gravity: 1.041 (recipe based estimate)
Efficiency: 80% (brew house)
Source: Chris Daily
Calories: 135 calories (Per 12oz)
Carbs: 13.8 g (Per 12oz)

Created: Sunday April 6th 2025

Guinness Clone

OG: 1.043 FG: 1.011 ABV: 4.2% IBU: 39

Original Gravity:

1.041

Final Gravity:

1.010

ABV (standard):

4.1%

IBU (rager):

43.5

SRM (morey):

29.4

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
7.38 lb	Briess - Brewers Malt 2-Row7.38 lb Brewers Malt 2-Row	37	1.8	75%
0.65 lb	American - Roasted Barley0.65 lb Roasted Barley	33	300	6.6%
0.52 lb	United Kingdom - Chocolate0.52 lb Chocolate	34	425	5.3%
0.51 lb	Flaked Oats0.51 lb Flaked Oats	33	2.2	5.2%
0.35 lb	United Kingdom - Crystal 55L0.35 lb Crystal 55L	34	55	3.6%
0.25 lb	Cane Sugar0.25 lb Cane Sugar - (late boil kettle addition)	46	0	2.5%
0.18 lb	American - Black Malt0.18 lb Black Malt	28	500	1.8%
9.84 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1.40 oz	Target1.4 oz Target Hops	Pellet	9	Boil	60 min	41.55	80%
0.35 oz	East Kent Goldings0.35 oz East Kent Goldings Hops	Pellet	5	Boil	20 min	1.96	20%
1.75 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
1.40 oz	Target (Pellet)	41.55	80%
0.35 oz	East Kent Goldings (Pellet)	1.96	20%
1.75 oz / $ 0.00

Mash Guidelines

Amount	Start Temp	Target Temp	Time
7 gal	131 °F	131 °F	20 min
7 gal	152 °F	152 °F	60 min
7 gal	168 °F	168 °F	--
Starting Mash Thickness: 1.8 qt/lb

Yeast

Wyeast - Irish Ale 1084

Amount:	1.40 Each	Cost:
Attenuation (avg):	73%	Flocculation:	Medium
Optimum Temp:	62 - 72 °F	Starter:	Yes
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 95 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.25 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

152

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Brews

Public: Yup, Shared
Last Updated: 2025-08-19 11:42 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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