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Bohemskie Ciemne (Czeskie Tmav...

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Batch size

  • 20 liter(s)
    Expected quantity of finished beer
  • 60 min
    Boil time
  • 10 %/h
    Evaporation rate
  • 25.3 liter(s)
    Boil size
  • 10 %
    Boil loss
  • 9.5
    Pre-boil gravity BLG
  • 5 %
    Trub loss
  • 0 %
    Dry hopping loss

Mash information

  • 75 %
    Mash efficiency
  • 3 liter(s) / kg
    Liquor-to-grist ratio
  • 12.6 liter(s)
    Mash size
  • 16.8 liter(s)
    Total mash volume

Steps

Temp Time
64 C 30 min
72 C 30 min
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Fermentables

10.5 BLG
4.2% ABV
17.7 SRM

Type Name Amount Yield EBC
Grain Strzegom Pilzneński 3.8 kg 90.5% 80 % 4
Grain Strzegom Czekoladowy jasny 0.3 kg 7.1% 68 % 400
Grain Strzegom Barwiący 0.1 kg 2.4% 68 % 1300
Sum 4.2 kg

Hops

33 IBU

Bitterness ratio 0.79 Very bitter


Use for Name Amount Time Alpha acid
Boil Premiant 30 g 60 min 8 %
Boil Saaz (Czech Republic) 25 g 10 min 4.5 %

Yeasts

Name Type Form Amount Laboratory
Saflager W 34/70 Lager Dry 11.5 g Fermentis