Purple Cow - Beer Recipe - Brewer's Friend

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Purple Cow

158 calories 16.4 g 12 oz
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Beer Stats
Method: All Grain
Style: Cream Ale
Boil Time: 70 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.57 gallons
Pre Boil Gravity: 1.040 (recipe based estimate)
Post Boil Gravity: 1.048 (recipe based estimate)
Efficiency: 75% (brew house)
Hop Utilization: 84%
Calories: 158 calories (Per 12oz)
Carbs: 16.4 g (Per 12oz)
Created: Friday June 17th 2022
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Fermentables
Amount Fermentable Cost PPG °L Bill %
2 lb Munich - Light 10L2 lb Munich - Light 10L 33 10 16.7%
6 lb US - Pale 2-Row6 lb Pale 2-Row 37 1.8 50%
0.50 lb American - Caramel / Crystal 10L0.5 lb Caramel / Crystal 10L 35 10 4.2%
0.50 lb American - Carapils (Dextrine Malt)0.5 lb Carapils (Dextrine Malt) 33 1.8 4.2%
3 lb BSG - US - BSG - Purple Corn3 lb US - BSG - Purple Corn 10 2.1 25%
12 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.50 oz Cascade0.5 oz Cascade Hops Pellet 7 Boil 60 min 11.1 33.3%
0.50 oz Hallertau Mittelfruh0.5 oz Hallertau Mittelfruh Hops Pellet 3.75 Boil 20 min 3.6 33.3%
0.50 oz Willamette0.5 oz Willamette Hops Pellet 4.5 Boil 5 min 1.42 33.3%
1.50 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
8 g Ceremix Flex Enzyme Other Mash 90 min.
1 each Whirlfloc Other Boil 10 min.
1 tsp Yeast Nutrient Other Boil 10 min.
 
Yeast
White Labs - German Ale/ Kölsch Yeast WLP029
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
Medium
Optimum Temp:
65 - 69 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 87 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.65 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
3 gal Mash In Corn Strike 140 °F 140 °F --
Liquefaction - Add Enzyme Temperature 140 °F 172 °F 15 min
Decoction Temperature 172 °F 203 °F 10 min
2 gal Cool Down - Mash In Barley Temperature 203 °F 131 °F --
Temperature 131 °F 154 °F 60 min
Mash Off Temperature 154 °F 172 °F --
2.6 gal Sparge -- 172 °F --
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.75 qt/lb 5.25 21  
Mash volume with grains 6.21 24.8  
Grain absorption losses -1.5 -6  
Remaining sparge water volume (equipment estimates 3.81 g | 15.2 qt) 3.07 12.3  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.31 g | 29.2 qt) 6.57 26.3  
Boil off losses -1.75 -7  
Hops absorption losses (first wort, boil, aroma) -0.06 -0.2  
Post boil Volume 5.5 22  
Going into fermentor 5.5 22  
Total: 8.32 33.3
Equipment Profile Used: System Default
 
Notes

Another decoction mash using a Thermostable Enzyme to extract some sugar from the purple corn.

This is a copy of the Spotted Cow Clone (https://www.brewersfriend.com/homebrew/recipe/view/266032/spotted-cow-clone), but with purple corn added. (Now that I look back at it I copied it down wrong, lol.)

I use a Grainfather to achieve these temperature hikes. To cool down I keep 2gal of water in the fridge and add it after the decoction step.

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  • Last Updated: 2022-06-20 17:46 UTC