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Some experience · 20 litres · all grain

Munich Dunkel

Deep brown, all bread crust and no roast. The style that proves Munich malt on its own can carry an entire beer, and the classic showcase for a decoction mash if you ever want to try one.

Original gravity

1.050

at 72% efficiency

Final gravity

1.013

74% apparent attenuation

Alcohol

4.8%

by volume

Bitterness

18 IBU

Tinseth

Colour

21.2 SRM

42 EBC, Morey

Grain bill

4.77 kg

0.24 kg per litre

Brewed to Munich Dunkel, and all five computed figures land inside the published ranges for it.

OG inFG inABV inIBU inSRM in

What decides this beer

No roasted barley anywhere. Any coffee or burnt note takes this out of style entirely; the depth is Munich malt and the colour is a pinch of dehusked Carafa.

Fermentables

MaltWeightColourExtractOf grist
Munich malt3.60 kg10 L35 ppg75%
Dark Munich malt0.80 kg20 L34 ppg17%
Caramunich0.25 kg60 L34 ppg5%
Carafa Special

For colour only. Dehusked, so it adds no roast bitterness at this rate.

0.12 kg400 L27 ppg3%

Colour and extract are read from the malt reference, not typed into this recipe, so they are the same figures every other page on the site uses.

Crushing your ownGrain mill$92.90

Hop schedule

HopWeightAlphaTimeContributes
Hallertau Mittelfrueh32 g4%60 min14.8 IBU
Spalt15 g4%15 min3.4 IBU

Alpha acid varies by crop year and lot, which is why it lives on the recipe rather than on the variety. Brew to the figure printed on your packet and the bitterness will move; the IBU calculator will tell you by how much.

Method

  1. 01Mash at 66C for 60 minutes. Add the Carafa in the last ten minutes of the mash for colour without extraction.
  2. 02Boil 90 minutes.
  3. 03Ferment at 10C, then diacetyl rest at 18C.
  4. 04Lager four to six weeks.

Numbers for the day

Mash
66 C for 60 min
Strike water at 3 L/kg
72.3 C
Strike volume
14.3 L
Boil
90 min
Ferment
9-12 C
Carbonate to
2.4 volumes
Priming dextrose
120 g
Yeast
Munich LagerWyeast 2308

Strike temperature assumes grain at 20C and priming assumes the beer peaked at 20C after fermentation. Recompute both for your own kitchen on the strike and priming calculators.

For the mashDigital thermometer$12.31For the fermentTemperature controller$36.00

Before you package

Take a gravity reading two days apart and only package when it has not moved. A beer bottled while still fermenting keeps fermenting in the bottle, and the sugar you prime with lands on top of whatever was left. At 2.4 volumes this one needs about 120 g of dextrose for the batch.

To know it has finishedHydrometer and trial jar$21.99