rtstrider
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- Dec 12, 2016
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I will be brewing a Kolsch on Saturday and have secured Imperial G03. Has anyone used this before and if so what ferment temps did you use? What temps would you recommend? Low (60), middle of the range (64ish), or upper end (67-68)? I'm leaning more towards 60f and a heavy pitch (2 liter starter). Here's the recipe I'll be using
Brew Method: All Grain
Style Name: Kölsch
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Boil Size: 6.75 gallons
Boil Gravity: 1.040
Efficiency: 70% (brew house)
Hop Utilization Multiplier: 1
STATS:
Original Gravity: 1.049
Final Gravity: 1.011
ABV (standard): 4.91%
IBU (tinseth): 22.32
SRM (morey): 3.57
Mash pH: 5.74
FERMENTABLES:
9.25 lb - Pale 2-Row (90.2%)
1 lb - Wheat Malt (9.8%)
HOPS:
0.3 oz - Magnum, Type: Pellet, AA: 15, Use: First Wort, IBU: 18.79
0.5 oz - Hallertau Mittelfruh, Type: Pellet, AA: 3.75, Use: Boil for 15 min, IBU: 3.53
MASH GUIDELINES:
1) Strike, Temp: 147 F, Time: 90 min, Amount: 3.84 gal
2) Fly Sparge, Temp: 170 F, Amount: 4.84 gal
Starting Mash Thickness: 1.5 qt/lb
YEAST:
Imperial Yeast - G03 Dieter
Starter: Yes
Form: Liquid
Attenuation (avg): 75%
Flocculation: Medium
Optimum Temp: 60 - 69 F
Fermentation Temp: 63 F
Pitch Rate: 1.0 (M cells / ml / deg P)
PRIMING:
Method: co2
CO2 Level: 2.58 Volumes
TARGET WATER PROFILE:
Profile Name: Pilsen (Light Lager)
Ca2: 7
Mg2: 3
Na: 2
Cl: 5
SO4: 5
HCO3: 25
Water Notes:
1 Gram Epsom Salt
1 Gram Calcium Chloride
1 Gram Baking Soda
7.56 ml Lactic Acid
5.2 ph -87.8 ra
Brew Method: All Grain
Style Name: Kölsch
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Boil Size: 6.75 gallons
Boil Gravity: 1.040
Efficiency: 70% (brew house)
Hop Utilization Multiplier: 1
STATS:
Original Gravity: 1.049
Final Gravity: 1.011
ABV (standard): 4.91%
IBU (tinseth): 22.32
SRM (morey): 3.57
Mash pH: 5.74
FERMENTABLES:
9.25 lb - Pale 2-Row (90.2%)
1 lb - Wheat Malt (9.8%)
HOPS:
0.3 oz - Magnum, Type: Pellet, AA: 15, Use: First Wort, IBU: 18.79
0.5 oz - Hallertau Mittelfruh, Type: Pellet, AA: 3.75, Use: Boil for 15 min, IBU: 3.53
MASH GUIDELINES:
1) Strike, Temp: 147 F, Time: 90 min, Amount: 3.84 gal
2) Fly Sparge, Temp: 170 F, Amount: 4.84 gal
Starting Mash Thickness: 1.5 qt/lb
YEAST:
Imperial Yeast - G03 Dieter
Starter: Yes
Form: Liquid
Attenuation (avg): 75%
Flocculation: Medium
Optimum Temp: 60 - 69 F
Fermentation Temp: 63 F
Pitch Rate: 1.0 (M cells / ml / deg P)
PRIMING:
Method: co2
CO2 Level: 2.58 Volumes
TARGET WATER PROFILE:
Profile Name: Pilsen (Light Lager)
Ca2: 7
Mg2: 3
Na: 2
Cl: 5
SO4: 5
HCO3: 25
Water Notes:
1 Gram Epsom Salt
1 Gram Calcium Chloride
1 Gram Baking Soda
7.56 ml Lactic Acid
5.2 ph -87.8 ra