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Copper Knob 2.1

190 calories 19.4 g .5 L
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Beer Stats
Method: All Grain
Style: Best Bitter
Boil Time: 60 min
Batch Size: 23 liters (fermentor volume)
Pre Boil Size: 25 liters
Post Boil Size: 24.05 liters
Pre Boil Gravity: 1.040 (recipe based estimate)
Post Boil Gravity: 1.041 (recipe based estimate)
Efficiency: 75% (brew house)
Source: Paul Slater
No Chill: 15 minute extended hop boil time
Calories: 190 calories (Per .5L)
Carbs: 19.4 g (Per .5L)
Created: Tuesday June 10th 2025
1.041
1.010
4.1%
38.8
4.4
5.5
9.33
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
350 g Crisp Malting - Crystal 60L350 g Crystal 60L £ 3.00 / kg
£ 1.05 		33.1 23.04 8.6%
200 g Crisp Malting - Wheat Malt200 g Wheat Malt £ 2.66 / kg
£ 0.53 		37.26 1.31 4.9%
3.50 kg Pauls Malt - Maris Otter Keep Flying3.5 kg Maris Otter Keep Flying £ 1.50 / kg
£ 5.25 		38 1.46 86.4%
4,050 g / £ 6.83
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
10 g Target10 g Target Hops £ 0.05 / g
£ 0.50 		Pellet 11.5 Boil 90 min 15.06 14.1%
25 g Cascade UK25 g Cascade UK Hops £ 0.05 / g
£ 1.25 		Pellet 4.8 Boil 60 min 15.16 35.2%
15 g Cascade UK15 g Cascade UK Hops £ 0.05 / g
£ 0.75 		Pellet 4.5 Boil 15 min 6.27 21.1%
21 g Riwaka21 g Riwaka Hops Pellet 5.02 Hop Stand 15 min 2.29 29.6%
71 g / £ 2.50
 
Other Ingredients
Amount Name Cost Type Use Time
4 g Calcium Chloride (anhydrous) Water Agt Mash 1 hr.
4 g Epsom Salt Water Agt Mash 1 hr.
3 ml Phosphoric acid Water Agt Mash 1 hr.
 
Yeast
Fermentis - Safale - English Ale Yeast S-04
Amount:
0.92 Each
Cost:
Attenuation (avg):
75%
Flocculation:
High
Optimum Temp:
12 - 25 °C
Starter:
No
Fermentation Temp:
21 °C
Pitch Rate:
0.35 (M cells / ml / ° P) 82 B cells required
£ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       CO2 Level: 2.65 Volumes
 
Target Water Profile
Light colored and malty
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
60 5 10 95 55 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
17 L Temperature -- 67 °C 60 min
Strike 67 °C 67 °C 60 min
Starting Mash Thickness: 3.5 L/kg
Starting Grain Temp: 12 °C
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 3.5 L/kg 14.2
Mash volume with grains 16.8
Grain absorption losses -4.1
Remaining sparge water volume (equipment estimates 19.8 L) 15.8
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 29.1 L) 25
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.3
Post boil Volume (equipment estimates 23.1 L) 24.1
Hops absorption losses (whirlpool, hop stand) -0.1
WARNING: Exceeded batch size - reduce boil size  
Going into fermentor (equipment estimates 23.9 L) 23
Total: 30  
Equipment Profile Used: System Default
 
Notes


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  • Last Updated: 2026-05-14 15:30 UTC