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Pub 125 - Czech Dark Lager Abysswalker

Method: All Grain
Style: Czech Dark Lager
Boil Time: 90 min
Batch Size: 240 gallons (ending kettle volume)
Pre Boil Size: 270 gallons
Pre Boil Gravity: 12.9 °P (recipe based estimate)
Efficiency: 68% (ending kettle)
Source: Mat deGeus
Calories: 191 calories (Per 12oz)
Carbs: 15.5 g (Per 12oz)

Created: Thursday July 24th 2025

Original Gravity:

14.4 °P

Final Gravity:

2.2 °P

ABV (standard):

6.6%

IBU (tinseth):

29.8

SRM (morey):

23.8

Mash pH

5.3

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
27.50 lb	Bestmalz - BEST Melanoidin27.5 lb BEST Melanoidin	34.5	27	4.2%
55 lb	Carolina Malt House - Dark Munich Malt55 lb Dark Munich Malt	34	17	8.3%
27.50 lb	Bestmalz - BEST Chocolate27.5 lb BEST Chocolate - (late boil kettle addition)	34.5	337.82	4.2%
275 lb	tchecomalt - CZ - tchecomalt - Tchecomalt - Floor Malted Pilsen	34	1.9	41.7%
275 lb	Tchecomalt - US - Tchecomalt - Munich275 lb US - Tchecomalt - Munich	31	7.8	41.7%
660 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
18 oz	Magnum18 oz Magnum Hops	Pellet	15	Boil	90 min	22.44	40.9%
16 oz	Hallertau Blanc16 oz Hallertau Blanc Hops	Pellet	9.5	Boil	15 min	5.86	36.4%
10 oz	Hallertau Blanc10 oz Hallertau Blanc Hops	Pellet	9.5	Boil	5 min	1.47	22.7%
44 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
18 oz	Magnum (Pellet)	22.44	40.9%
26 oz	Hallertau Blanc (Pellet)	7.33	59.1%
44 oz / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
233 gal	Strike	163 °F	150 °F	60 min
158 gal	Sparge	--	--	--
Starting Mash Thickness: 1.5 qt/lb Starting Grain Temp: 70 °F

Other Ingredients

Amount	Name	Type	Use
600 ml	Lactic acid	Water Agt	Mash
150 g	Gypsum	Water Agt	Mash
75 g	Calcium Chloride (anhydrous)	Water Agt	Mash
25 g	Table Salt	Water Agt	Mash

Yeast

Fermentis - Saflager - German Lager Yeast W-34/70

Amount:	1 Each	Cost:
Attenuation (avg):	83%	Flocculation:	High
Optimum Temp:	48 - 72 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 4586 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.25 Volumes

Target Water Profile

San Antonio, TX (SAWS) 3/1/2018

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: 2025-08-11 21:24 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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