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Busking Frog

152 calories 14.1 g 330 ml
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Beer Stats
Method: All Grain
Style: American Porter
Boil Time: 60 min
Batch Size: 25 liters (fermentor volume)
Pre Boil Size: 30 liters
Pre Boil Gravity: 1.038 (recipe based estimate)
Post Boil Gravity: 1.050 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 152 calories (Per 330ml)
Carbs: 14.1 g (Per 330ml)
Created: Friday September 12th 2025
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1.050
1.010
5.3%
36.2
35.6
5.0
12.47
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
4.20 kg Muntons - Maris Otter4.2 kg Maris Otter £ 1.73 / kg
£ 7.27 		38 2.3 71.2%
1 kg Brown Malt1 kg Brown Malt £ 1.83 / kg
£ 1.83 		34 90.36 16.9%
200 g french and jupps - Black Malt200 g Black Malt - (late mash tun addition) £ 0.00 / g
£ 0.38 		22 506.45 3.4%
200 g GB - Dark Crystal200 g Dark Crystal 28 94.24 3.4%
100 g Flaked Barley100 g Flaked Barley 32 2.2 1.7%
200 g United Kingdom - Chocolate200 g Chocolate - (late mash tun addition) 34 425 3.4%
5,900 g / £ 9.48
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
20 g Admiral20 g Admiral Hops Pellet 15 Boil 60 min 33.77 57.1%
15 g Fuggles15 g Fuggles Hops Pellet 4 Boil 10 min 2.45 42.9%
35 g / £ 0.87
 
Other Ingredients
Amount Name Cost Type Use Time
2 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
1 g Epsom Salt Water Agt Mash 1 hr.
8.50 g Gypsum Water Agt Mash 1 hr.
1 g Salt Water Agt Mash 1 hr.
 
Yeast
Mangrove Jack - New World Strong Ale M42
Amount:
1 Each
Cost:
£ 2.99 / each
£ 2.99
Attenuation (avg):
79.5%
Flocculation:
High
Optimum Temp:
16 - 22 °C
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 108 B cells required
£ 2.99 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.25 Volumes
 
Target Water Profile
Old Harlow
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
75 5 10 50 150 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
20.1 L Strike 73 °C 67 °C 60 min
6 L Fly Sparge 67 °C -- --
Starting Mash Thickness: 3 L/kg
Starting Grain Temp: 20 °C
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 3 L/kg 17.7
Mash volume with grains 21.6
Grain absorption losses -5.9
Remaining sparge water volume (equipment estimates 20 L) 19.1
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 30.9 L) 30
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.2
Post boil Volume 25
Going into fermentor 25
Total: 36.8  
Equipment Profile Used: System Default
"Busking Frog" American Porter beer recipe by Md2k. All Grain, ABV 5.3%, IBU 36.22, SRM 35.59, Fermentables: ( Maris Otter, Brown Malt, Black Malt, Dark Crystal, Flaked Barley, Chocolate) Hops: (Admiral, Fuggles) Other: (Calcium Chloride (dihydrate), Epsom Salt, Gypsum, Salt)
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  • Last Updated: 2025-09-12 09:05 UTC