Nightfall Lager - Czech Dark Lager Beer Recipe | BIAB Czech Dark Lager | Brewer's Friend
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Nightfall Lager - Czech Dark Lager

173 calories 20.1 g 12 oz
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Beer Stats
Method: BIAB
Style: Czech Dark Lager
Boil Time: 60 min
Batch Size: 5.75 gallons (fermentor volume)
Pre Boil Size: 7.3 gallons
Post Boil Size: 5.75 gallons
Pre Boil Gravity: 1.039 (recipe based estimate)
Post Boil Gravity: 1.052 (recipe based estimate)
Efficiency: 75% (brew house)
Source: Dan Anders
Calories: 173 calories (Per 12oz)
Carbs: 20.1 g (Per 12oz)
Created: Thursday April 24th 2025
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OG: 1.053 FG: 1.013 ABV: 5.2% IBU: 21

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Fermentables
Amount Fermentable Cost PPG °L Bill %
5 lb Briess - Goldpils Vienna Malt5 lb Goldpils Vienna Malt 36.8 3.5 46.1%
5.10 lb Sekado - Sekado Czech 2-Row5.1 lb Sekado Czech 2-Row 38 3 47%
3.50 oz Weyermann - Caramunich Type 23.5 oz Caramunich Type 2 34 45 2%
8.50 oz Weyermann - Carafa Special Type III8.5 oz Carafa Special Type III - (late mash tun addition) 29.9 525 4.9%
10.85 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.75 oz Brewmaster - Czech Saaz0.75 oz Czech Saaz Hops Pellet 6.5 Boil 60 min 17.78 60%
0.50 oz Brewmaster - Czech Saaz0.5 oz Czech Saaz Hops Pellet 6.5 Boil 10 min 4.3 40%
1.25 oz / $ 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
2 gal 7g Mash-in @150F Infusion 150 °F 144 °F 45 min
2.5 gal pull, heat to boil, boil 5min, return to hit 157F for 30min Decoction 144 °F 157 °F 30 min
2.5 gal pull, heat to boil, boil 5min, return to hit 170F for 10min Decoction 157 °F 170 °F 10 min
2 gal Pre-boil target = 7.5g Infusion 175 °F 170 °F 10 min
 
Other Ingredients
Amount Name Cost Type Use Time
1 g Baking Soda Water Agt Mash 1 hr.
3 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
7 g Chalk Water Agt Mash 1 hr.
5 g Epsom Salt Water Agt Mash 1 hr.
7 ml Lactic acid Water Agt Mash 1 hr.
8 each Fermcap Fining Boil 1 hr.
0.50 each Whirlfloc Fining Boil 15 min.
0.30 g Potassium Metabisulfite Water Agt Kegging 0 min.
 
Yeast
Imperial Yeast - L28 Urkel
Amount:
1 Each
Cost:
Attenuation (avg):
73%
Flocculation:
Medium
Optimum Temp:
52 - 58 °F
Starter:
Yes
Fermentation Temp:
50 °F
Pitch Rate:
1.5 (M cells / ml / ° P) 420 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       Amount: 9.72 psi       Temp: 35 °F       CO2 Level: 2.5 Volumes
 
Target Water Profile
Munich (Dark Lager)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
82 20 4 2 16 320
Assumptions:
.125g water lost per grain lb.
.036g water lost per hops oz.
18% of pre-boil volume lost per 60min of boil.
4% of post-boil volume lost when chilling from boil to pitch temp.
Post-chill goal is 5.75g.
***
Assuming 10.85lb grain, 2oz hops, 9.00g total water
pre-boil target 7.64g Grain loss 1.36g
after hops loss 7.57g Hops loss 0.07g
post-boil 6.21g Boil loss 1.36g
post-chill 5.96g Chill loss 0.25g
** added .25g above to normal boil-off to account for double-decoction boiloff
Mash Chemistry and Brewing Water Calculator
 
Notes
  • Mill the Carafa 3 separately from main grain bill.
  • Add the Carafa 3 with FINAL decoction -- don't decoct it (less burnt flavor risk).

    1) Target water profile is Munich Dark Lager. Goal pH is 5.3.
    2) Made 1-step starter (2L) due to work travel.
    3) Perform double decoction mash (see below).
    4) Add Fermcap prior to boil.
    5) Add Whirlfloc near boil end for clarity.
    6) Chill to 50F and AERATE the ferm bucket by shaking.
    7) Ferment at 50F for 7days; Raise to 62F over 14days.
    7) Perform diacetyl rest since using Lager yeast.
    8) Add PMB when kegging.
    9) Lager for 2months.

    **
    DOUBLE DECOCTION MASHING INSTRUCTIONS

    Use 4G stainless kettle for sparge heating
    Use 2 smaller nonstick kettles for decoction

    1) Mash 7g water @144F for 30mins

    2) Pull 1/3 mash, cover main mash, bring decoction to boil while stirring constantly (takes prob 10min), boil while stirring for 5min).
    [Remove 1qt of thick mash per pound of grist (approx 1/3 of wet grain volume). Use big ladle (want liquid in decoction to prevent burning). 9.5lbs of grain means remove 9.5qts (2.37g) of mash]
    3) Add decoction back to main mash and mash at 157F for 30mins (should hit that 157F without adding flame)

    4) Pull 1/3 mash, cover main mash, bring decoction to boil while stirring constantly (takes prob 10min), boil while stirring for 5min).
    5) Add the Carafa 3 grist, add decoction back to main mash, and mash out at 170F for 10mins (should hit that 170F without adding flame)
    **
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  • Last Updated: 2025-05-26 13:53 UTC
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Nightfall Lager - Czech Dark Lager
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Nightfall Lager - Czech Dark Lager
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Recipe Cost $ (USD)
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.
Gallons
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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