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Imperial Porter

Method: All Grain
Style: No Profile Selected
Boil Time: 60 min
Batch Size: 5 gallons (fermentor volume)
Pre Boil Size: 5.83 gallons
Post Boil Size: 5.25 gallons
Pre Boil Gravity: 1.062 (recipe based estimate)
Post Boil Gravity: 1.096 (recipe based estimate)
Efficiency: 83% (brew house)
Source: Paul Maiorana
Calories: 321 calories (Per 12oz)
Carbs: 32.8 g (Per 12oz)

Created: Thursday June 20th 2013

Original Gravity:

1.096

Final Gravity:

1.024

ABV (standard):

9.4%

IBU (tinseth):

70.1

SRM (morey):

36.0

Mash pH

5.6

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
9 lb	US - Pale 2-Row9 lb Pale 2-Row	37	1.8	54.5%
3.15 lb	Liquid Malt Extract - Dark3.15 lb Liquid Malt Extract - Dark - (late boil kettle addition)	35	30	19.1%
1 lb	American - Caramel / Crystal 90L1 lb Caramel / Crystal 90L	33	90	6.1%
1 lb	Briess - Carapils Malt1 lb Carapils Malt	34.5	1.5	6.1%
4 oz	American - Roasted Barley4 oz Roasted Barley	33	300	1.5%
1 lb	Candi Syrup - Belgian Candi Syrup - D-2401 lb Belgian Candi Syrup - D-240 - (late boil kettle addition)	32	240	6.1%
18 oz	Quaker - Rolled Oats18 oz Rolled Oats	4	1	6.8%
16.52 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
0.50 oz	Yakima Chief Hops - Columbus	Pellet	15.4	Boil	80 min	27.74	16.7%
0.50 oz	Yakima Chief Hops - Columbus	Pellet	15.4	Boil	50 min	25.01	16.7%
2 oz	Hallertau Mittelfruh2 oz Hallertau Mittelfruh Hops	Pellet	2.8	Boil	43.5 min	17.34	66.7%
3 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
1 oz	Yakima Chief Hops - Columbus (Pellet)	52.75	33.4%
2 oz	Hallertau Mittelfruh (Pellet)	17.34	66.7%
3 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
15.5 qt	Strike at 169 degrees	Temperature	168 °F	153 °F	60 min
3.5 gal		Batch Sparge	170 °F	170 °F	--
Starting Mash Thickness: 1.3 qt/lb Starting Grain Temp: 65 °F

Other Ingredients

Amount	Name	Cost	Type	Use	Time
1 each	Whirlfloc Tab		Fining	Boil	10 min.

Yeast

Omega Yeast Labs - Dried Lutra Kveik - OYL-071DRY

Amount:	33 Grams	Cost:
Attenuation (custom):	72%	Flocculation:	Medium
Optimum Temp:	68 - 95 °F	Starter:	No
Fermentation Temp:	66 °F	Pitch Rate:	1.25 (M cells / ml / ° P) 542 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: dextrose Amount: 3.6 oz Temp: 38 °F CO₂ Level: 2.75 Volumes

Target Water Profile

Filtered Drinking Water

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Filtered Spring Water with 6gms of Gypsum added to Mash.
Mash Chemistry and Brewing Water Calculator

Notes

Born on 5/9/25. Added 6 grams of Gypsum to mash.

Gravity Reading on 5/18/25 = 1.026

Final Gravity Reading on June 4, 2025 =

Bottle on June 4, 2025 (3 weeks + 5 days).

Last Updated and Sharing

2,756

Views

Brews

Public: Yup, Shared
Last Updated: 2025-06-06 16:29 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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