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Polytechnic Univ. Porter

Name: Polytechnic Univ. Porter
Cook time: 60 min
Total time: 60 min
Yield: 18.9 liters
Cuisine: Homebrewing
Ingredients: 4 kg Pale Ale Malt 2-Row; 0.5 kg Caramel Malt - 60L; 0.5 kg Chocolate; 0.5 kg Brown Malt; 20 g Centennial Hops; 7 g Centennial Hops

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Method: All Grain
Style: American Porter
Boil Time: 60 min
Batch Size: 18.9 liters (fermentor volume)
Pre Boil Size: 24.71 liters
Post Boil Size: 18.9 liters
Pre Boil Gravity: 1.042 (recipe based estimate)
Post Boil Gravity: 1.056 (recipe based estimate)
Efficiency: 65% (brew house)
Calories: 171 calories (Per 330ml)
Carbs: 15.7 g (Per 330ml)

Created: Sunday May 17th 2026

AMERICAN PORTER

by El Día de la Cerveza

OG: 1.059 FG: 1.012 ABV: 6.2% IBU: 40

Robuster

by MFergBrew

OG: 1.051 FG: 1.012 ABV: 5.2% IBU: 29

Ghost porter

by Jernej Horvat

OG: 1.060 FG: 1.015 ABV: 6.0% IBU: 31

Original Gravity:

1.056

Final Gravity:

1.011

ABV (standard):

5.9%

IBU (tinseth):

33.7

SRM (morey):

43.9

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
4 kg	Briess - Pale Ale Malt 2-Row4 kg Pale Ale Malt 2-Row	36.8	3.5	72.7%
0.50 kg	Briess - Caramel Malt - 60L0.5 kg Caramel Malt - 60L	35.4	60	9.1%
0.50 kg	Briess - Chocolate0.5 kg Chocolate	25	350	9.1%
0.50 kg	Simpsons - Brown Malt0.5 kg Brown Malt	32	187.93	9.1%
5.50 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
20 g	Centennial20 g Centennial Hops	Pellet	10	Boil at 100 °C	60 min	28.74	74.1%
7 g	Centennial7 g Centennial Hops	Pellet	10	Boil	15 min	4.99	25.9%
27 g / $ 0.00

Show Summary View

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	1 Each	Cost:
Attenuation (avg):	81%	Flocculation:	Medium
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 91 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.75 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

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Brews

Public: Yup, Shared
Last Updated: 2026-05-17 12:13 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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Amount	Variety	Cost	IBU	Bill %
27 g	Centennial (Pellet) 27 g Centennial (Pellet) Hops		33.73	100%
27 g / $ 0.00