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London Porter

Method: BIAB
Style: English Porter
Boil Time: 60 min
Batch Size: 19 liters (fermentor volume)
Pre Boil Size: 19 liters
Post Boil Size: 19 liters
Pre Boil Gravity: 1.048 (recipe based estimate)
Post Boil Gravity: 1.048 (recipe based estimate)
Efficiency: 72% (brew house)
Calories: 147 calories (Per 330ml)
Carbs: 14.5 g (Per 330ml)

Created: Friday February 20th 2026

Original Gravity:

1.048

Final Gravity:

1.011

ABV (standard):

4.9%

IBU (tinseth):

25.9

SRM (morey):

28.7

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
3.10 kg	Simpsons - Maris Otter pale3.1 kg Maris Otter pale	38	2.4	74.1%
0.50 kg	Simpsons - Brown Malt0.5 kg Brown Malt	32	187.93	11.9%
0.30 kg	Simpsons - Crystal T500.3 kg Crystal T50	34	50	7.2%
0.15 kg	Thomas Fawcett - Dark Crystal Malt II0.15 kg Dark Crystal Malt II	33	120	3.6%
0.10 kg	Briess - Chocolate0.1 kg Chocolate	25	350	2.4%
0.04 kg	Briess - Brewers Red Wheat Flakes0.035 kg Brewers Red Wheat Flakes	32.2	2	0.8%
4.19 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
12 g	Nugget12 g Nugget Hops	Pellet	14	Boil	60 min	22.79	30%
28 g	Fuggles28 g Fuggles Hops	Leaf/Whole	4.5	Boil	5 min	3.1	70%
40 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
12 g	Nugget (Pellet) 12 g Nugget (Pellet) Hops	22.79	30%
28 g	Fuggles (Leaf/Whole) 28 g Fuggles (Leaf/Whole) Hops	3.1	70%
40 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
24 L		Infusion	66 °C	66 °C	60 min

Other Ingredients

Amount	Name	Type	Use	Time
6 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
3 g	Gypsum	Water Agt	Mash	1 hr.
6 g	Baking Soda	Water Agt	Mash	1 hr.

Yeast

Fermentis - Safale - English Ale Yeast S-04

Amount:	1 Each	Cost:
Attenuation (avg):	75%	Flocculation:	High
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 79 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.2 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
100	5	35	100	75	265
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-02-20 04:05 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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