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Herr Martins Ordinary Bitter

Name: Herr Martins Ordinary Bitter
Prep time: 80 min
Cook time: 120 min
Total time: 200 min
Yield: 20 liters
Cuisine: Homebrewing
Ingredients: 2 kg Maris Otter Pale; 600 g Munich Type I; 400 g Pilsner; 300 g German - Rye; 300 g Brown; 100 g American - Caramel / Crystal 150L; 7 g Magnum Hops; 35 g East Kent Goldings Hops; 45 g East Kent Goldings Hops

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Method: Partial Mash
Style: Standard/Ordinary Bitter
Boil Time: 120 min
Batch Size: 20 liters (fermentor volume)
Pre Boil Size: 12 liters
Pre Boil Gravity: 16.4 °P (recipe based estimate)
Post Boil Gravity: 10.0 °P (recipe based estimate)
Efficiency: 70% (brew house)
Source: Magnus Keijser
Calories: 124 calories (Per 330ml)
Carbs: 14.9 g (Per 330ml)

Created: Tuesday September 22nd 2026

Original Gravity:

10.0 °P

Final Gravity:

3.4 °P

ABV (standard):

3.6%

IBU (tinseth):

29.1

SRM (morey):

11.5

Mash pH

5.3

Cost kr

187.36

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
2 kg	United Kingdom - Maris Otter Pale2 kg Maris Otter Pale	kr 24.00 / kg kr 48.00	38	3.75	54.1%
600 g	Weyermann - Munich Type I600 g Munich Type I	kr 24.00 / kg kr 14.40	38	6	16.2%
400 g	Weyermann - Pilsner400 g Pilsner	kr 15.50 / kg kr 6.20	36	1.5	10.8%
300 g	Weyermann - German - Rye300 g German - Rye	kr 0.03 / g kr 8.10	38	3.5	8.1%
300 g	United Kingdom - Brown300 g Brown	kr 33.00 / kg kr 9.90	32	65	8.1%
100 g	American - Caramel / Crystal 150L	kr 32.00 / kg kr 3.20	33	150	2.7%
3,700 g / kr 89.80

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
7 g	Magnum7 g Magnum Hops	kr 0.32 / g kr 2.21	Pellet	15	Boil	75 min	11.96	8%
35 g	East Kent Goldings35 g East Kent Goldings Hops	kr 0.63 / g kr 22.05	Pellet	5.2	Boil	20 min	12.01	40.2%
45 g	East Kent Goldings45 g East Kent Goldings Hops		Pellet	5.2	Boil	5 min	5.08	51.7%
87 g / kr 24.26

Show Summary View

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
12 L	Beta-amylase	Temperature	--	65 °C	45 min
	Alpha-amylase	Temperature	--	71 °C	25 min
	Mash-out	Temperature	--	78 °C	10 min

Other Ingredients

Amount	Name	Cost	Type	Use	Time
1.20 g	Calcium Cloride / 0.339 Kilograms	kr 5.90 / kg kr 0.01	Water Agt	Mash	1 hr.
1.20 g	Gypsym / 101 Grams	kr 0.39 / g kr 0.47	Water Agt	Mash	1 hr.
3.50 ml	Lactic acid / 0.293 Liters	kr 196.00 / L kr 0.69	Water Agt	Mash	1 hr.
1 g	Protafloc / 25.5 Grams	kr 0.98 / g kr 0.98	Fining	Boil	15 min.
2 g	Jästnäring / 44 Grams	kr 2.10 / g kr 4.20	Other	Boil	10 min.
2 ml	AEB - Endozym Protease GF - 5% / 0.248 Kilograms	kr 3,980.00 / kg kr 7.96	Fining	Primary	14 days
kr 14.30

Yeast

Lallemand - LALBREW® LONDON ENGLISH-STYLE ALE YEAST

Amount:	1 Each	Cost:	kr 59.00 / each kr 59.00
Attenuation (avg):	65%	Flocculation:	Low
Optimum Temp:	18 - 22 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 70 B cells required

kr 59.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Amount: 1.36 bar Temp: 20 °C CO₂ Level: 2 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-09-28 08:59 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 kr	Cost %
Fermentables	kr
Steeping Grains (Extract Only)	kr
Hops	kr
Yeast	kr
Other	kr
Cost Per Barrel	kr 0.00
Cost Per Pint	kr 0.00
Total Cost	kr 0.00

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Amount	Variety	Cost	IBU	Bill %
7 g	Magnum (Pellet) 7 g Magnum (Pellet) Hops	kr 0.32 / g kr 2.21	11.96	8%
80 g	East Kent Goldings (Pellet) 80 g East Kent Goldings (Pellet) Hops	kr 0.63 / g kr 50.40	17.09	91.9%
87 g / kr 52.61