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Imperial Porter John Clipperton 9 bbls

Method: All Grain
Style: No Profile Selected
Boil Time: 120 min
Batch Size: 600 liters (fermentor volume)
Pre Boil Size: 900 liters
Post Boil Size: 600 liters
Pre Boil Gravity: 1.065 (recipe based estimate)
Post Boil Gravity: 1.098 (recipe based estimate)
Efficiency: 60% (brew house)
Calories: 323 calories (Per 350ml)
Carbs: 32.6 g (Per 350ml)

Created: Saturday October 4th 2025

Original Gravity:

1.098

Final Gravity:

1.024

ABV (standard):

9.6%

IBU (tinseth):

38.8

SRM (morey):

50.0

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
200 kg	American - Pale Ale200 kg Pale Ale	37	3.5	59.7%
25 kg	Viking - Munich Dark Malt25 kg Munich Dark Malt	33	8.5	7.5%
25 kg	American - Chocolate25 kg Chocolate	29	350	7.5%
37.50 kg	Viking - Caramel 30037.5 kg Caramel 300	35	152.4	11.2%
10 kg	Viking - Black Malt10 kg Black Malt	21	500	3%
25 kg	Flaked Oats25 kg Flaked Oats	33	2.2	7.5%
12.50 kg	Viking - Caramel 15012.5 kg Caramel 150	35	76.2	3.7%
335 kg / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
1,000 g	Yakima Chief Hops - Chinook1000 g Chinook Hops		Pellet	13.7	Boil	30 min	38.81	100%
1,000 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
1,000 g	Yakima Chief Hops - Chinook (Pellet) 1000 g Chinook (Pellet) Hops		38.81	100%
1,000 g / $ 0.00

Yeast

AEB - Fermoale AY4

Amount:	1 Each	Cost:
Attenuation (avg):	75%	Flocculation:	High
Optimum Temp:	17 - 25 °C	Starter:	No
Fermentation Temp:	20 °C	Pitch Rate:	0.35 (M cells / ml / ° P) 4900 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 0 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: 2025-11-03 20:44 UTC

System Default

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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