Gamma Ray (Beavertown Clone) - Beer Recipe - Brewer's Friend

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Gamma Ray (Beavertown Clone)

246 calories 24.2 g 0.5 L
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Beer Stats
Method: All Grain
Style: American Pale Ale
Boil Time: 60 min
Batch Size: 25 liters (fermentor volume)
Pre Boil Size: 29.6 liters
Post Boil Size: 25.5 liters
Pre Boil Gravity: 1.045 (recipe based estimate)
Post Boil Gravity: 1.053 (recipe based estimate)
Efficiency: 81% (brew house)
Source: Steve
Rating:
5.00 (1 Review)

Calories: 246 calories (Per 0.5L)
Carbs: 24.2 g (Per 0.5L)
Created: Monday April 4th 2022
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1.012
5.3%
55.1
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16.27
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
4.80 kg Crisp Malting - Best Ale4.8 kg Best Ale £ 1.15 / kg
£ 5.52 		37.5 3 91.5%
285 g Crisp Malting - Caramalt 15L285 g Caramalt 15L £ 2.50 / kg
£ 0.71 		32.7 17.5 5.4%
160 g Crisp Malting - Cara Gold malt160 g Cara Gold malt £ 2.50 / kg
£ 0.40 		34 6 3.1%
5,245 g / £ 6.63
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
28 g Columbus28 g Columbus Hops £ 0.05 / g
£ 1.40 		Pellet 16.5 Boil at 100 °C 60 min 48.89 13.8%
10 g Columbus10 g Columbus Hops £ 0.05 / g
£ 0.50 		Pellet 16.5 Whirlpool at 75 °C 30 min 2.11 4.9%
10 g Mosaic10 g Mosaic Hops £ 0.08 / g
£ 0.80 		Pellet 10.6 Whirlpool at 75 °C 30 min 1.36 4.9%
10 g Amarillo10 g Amarillo Hops £ 0.07 / g
£ 0.70 		Pellet 8.5 Whirlpool at 75 °C 30 min 1.09 4.9%
10 g Bravo10 g Bravo Hops £ 0.04 / kg
£ 0.00 		Pellet 12.6 Whirlpool at 75 °C 30 min 1.61 4.9%
65 g Citra65 g Citra Hops £ 0.07 / kg
£ 0.00 		Pellet 14.4 Dry Hop 4 days 32%
50 g Amarillo50 g Amarillo Hops £ 0.07 / g
£ 3.50 		Pellet 8.6 Dry Hop 4 days 24.6%
20 g Calypso20 g Calypso Hops £ 0.06 / kg
£ 0.00 		Pellet 13 Dry Hop 4 days 9.9%
203 g / £ 6.91
 
Other Ingredients
Amount Name Cost Type Use Time
2 g Epsom Salt Water Agt Mash 1 hr.
5 g Gypsum Water Agt Mash 1 hr.
4 g Citric acid Water Agt Mash 1 hr.
10 ml CRS/AMS (6.3% HCl, 8.6% H2SO4) Water Agt Sparge 1 hr.
 
Yeast
Mangrove Jack - US West Coast Yeast M44
Amount:
1 Each
Cost:
£ 2.73 / each
£ 2.73
Attenuation (custom):
75%
Flocculation:
High
Optimum Temp:
15 - 23 °C
Starter:
Yes
Fermentation Temp:
18 °C
Pitch Rate:
0.75 (M cells / ml / ° P) 246 B cells required
£ 2.73 Yeast Pitch Rate and Starter Calculator
Priming
Method: dextrose       Amount: 177.2 g       Temp: 19 °C       CO2 Level: 2.5 Volumes
 
Target Water Profile
Light colored and hoppy
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
120.8 13.6 18 88.2 260.2 0.6
Tested 24/05/2023
Ca = 77ppm, Kh = 156 ppm of CaCO3

Water tested 23/09/2024
Ca = 50 ppm
Kh = 108 ppm of CaCO3
Ph = 7.5
brewing Salts added based on these values
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
14.7 L Mash @ 66C Strike 73 °C 66 °C 70 min
Mash Out @ 76C Infusion 66 °C 76 °C 10 min
22.5 L 2 x recirculating Batch Sparge Batch Sparge 77 °C 77 °C 10 min
Starting Mash Thickness: 2.8 L/kg
Starting Grain Temp: 21 °C
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 2.8 L/kg 14.7
Mash volume with grains 18.1
Grain absorption losses -5.2
Remaining sparge water volume (equipment estimates 22.5 L) 21.1
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 31 L) 29.6
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.1
Post boil Volume (equipment estimates 25.2 L) 25.5
Hops absorption losses (whirlpool, hop stand) -0.2
WARNING: Exceeded batch size - reduce boil size  
Going into fermentor (equipment estimates 25.3 L) 25
Total: 35.7  
Equipment Profile Used: System Default
 
Notes

Note: Water profile is based on Effingham, Surrey water so "Other Ingredients" are based on average samples of that water only.

The Water profile is really important for this beer to shine.
Use the brewing water calculator to counter the alkalinity in your water to achieve a mash pH of around 5.4.
Target a 1:3 chloride to sulphate ratio.

Made right, you will not be disappointed with this brew!

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  • Last Updated: 2024-09-24 08:03 UTC