Made with 75% Metolius malt, 25% Opal 44, mashed through a bed of Kentucky bluegrass straw, and lightly battered with Czech Saaz hops
Brew Method: All Grain
Style Name: Dunkles Bock
Boil Time: 120 min
Batch Size: 11.5 gallons (fermenter volume)
Boil Size: 16.02 gallons
Boil Gravity: 1.053
Efficiency: 60% (brewhouse)
STATS:
Original Gravity: 1.069
Final Gravity: 1.020
ABV: 6.5%
IBU (tinseth): 26.69
SRM: 23.61
Mash pH: 5.2
FERMENTABLES:
27 lb - Metolius (Munich-style malt) (71.5%)
9 lb - Opal 44 (Toasted Toffee malt) (23.8%)
28 oz - Acidulated Malt (4.6%) (will vary based on water profile)
HOPS:
4 oz - Czech Saaz, Type: Pellet, AA: 3.0, Use: Boil for 120 min.
2 oz - Czech Saaz, Type: Pellet, AA: 3.0, Use: Boil for 15 min.
MASH GUIDELINES:
1) Infusion, Temp: 152 F, Time: 60 min
2) Sparge, Temp: 170 F
YEAST:
Imperial Yeast - L17 Harvest
Form: Liquid
Attenuation: 70%
Flocculation: Medium
Fermentation Temp: Start at 52F, after 7-10 days slowly raise to 60F. Hold for a week then drop back to 50F for lagering. Lager for 2+ weeks.
Pitch Rate: 1.25 (M cells/ml/deg P)
TARGET WATER PROFILE:
Ca2: 7
Mg2: 6
Na: 12
Cl: 2
SO4: 0
HCO3: .2
Water Notes:
This is our municipal water profile sourced from Opal Springs. We don’t amend our water for this beer.