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Dvanajst - 5L

Method: All Grain
Style: Czech Dark Lager
Boil Time: 60 min
Batch Size: 5 liters (fermentor volume)
Pre Boil Size: 8 liters
Post Boil Size: 5 liters
Pre Boil Gravity: 1.031 (recipe based estimate)
Post Boil Gravity: 1.049 (recipe based estimate)
Efficiency: 75% (brew house)
Source: Nelsen
Calories: 150 calories (Per 330ml)
Carbs: 14.7 g (Per 330ml)

Created: Tuesday May 5th 2026

Czech Dark Lager

by bhive01

OG: 1.055 FG: 1.014 ABV: 5.4% IBU: 31

Shady Bohemian Nosy-Style

by Nosybear

OG: 1.045 FG: 1.007 ABV: 5.0% IBU: 25

Czech Dark Lager

by AlleyCAt

OG: 1.040 FG: 1.006 ABV: 4.5% IBU: 36

Original Gravity:

1.049

Final Gravity:

1.011

ABV (standard):

5.0%

IBU (tinseth):

29.7

SRM (morey):

22.8

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
0.50 kg	German - Pilsner0.5 kg Pilsner	38	1.6	46.7%
0.25 kg	German - Vienna0.25 kg Vienna	37	4	23.4%
0.25 kg	German - Carapils0.25 kg Carapils	35	1.3	23.4%
0.07 kg	German - Carafa II0.07 kg Carafa II	32	425	6.5%
1.07 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
5 g	Domestic Hallertau5 g Domestic Hallertau Hops	Pellet	8	Boil	60 min	24.15	33.3%
10 g	Styrian Goldings10 g Styrian Goldings Hops	Pellet	5.5	Whirlpool	0 min	5.5	66.7%
15 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
5 g	Domestic Hallertau (Pellet) 5 g Domestic Hallertau (Pellet) Hops	24.15	33.3%
10 g	Styrian Goldings (Pellet) 10 g Styrian Goldings (Pellet) Hops	5.5	66.7%
15 g / $ 0.00

Yeast

Mangrove Jack - Bavarian Lager M76

Amount:	1 Each	Cost:
Attenuation (avg):	77.5%	Flocculation:	Medium
Optimum Temp:	7 - 14 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 21 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.25 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
250	20	0	0	0	0
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-05-05 00:45 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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