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Jack Hammer

Name: Jack Hammer
Prep time: 80 min
Cook time: 60 min
Total time: 140 min
Yield: 27 liters
Cuisine: Homebrewing
Ingredients: 4.4 kg Pale Ale; 3.3 kg Pilsner; 50 g Columbus Hops; 40 g Centennial Hops; 40 g Columbus Hops; 30 g Centennial Hops; 40 g Columbus Hops; 75 g Centennial Hops; 250 g Amarillo Hops; 250 g Citra Hops; 200 g Simcoe Hops

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Method: All Grain
Style: American IPA
Boil Time: 60 min
Batch Size: 27 liters (fermentor volume)
Pre Boil Size: 28 liters
Post Boil Size: 23 liters
Pre Boil Gravity: 1.071 (recipe based estimate)
Post Boil Gravity: 1.086 (recipe based estimate)
Efficiency: 80% (brew house)
Calories: 339 calories (Per 500ml)
Carbs: 30.6 g (Per 500ml)

Created: Tuesday April 10th 2018

Original Gravity:

1.073

Final Gravity:

1.014

ABV (standard):

7.8%

IBU (tinseth):

137.2

SRM (morey):

4.4

Mash pH

5.5

Cost €

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
4.40 kg	German - Pale Ale4.4 kg Pale Ale	39	2.3	57.1%
3.30 kg	German - Pilsner3.3 kg Pilsner	38	1.6	42.9%
7.70 kg / 0.00 €

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
50 g	Columbus50 g Columbus Hops	Pellet	13.4	Boil	60 min	52.23	5.1%
40 g	Centennial40 g Centennial Hops	Pellet	9	Boil	60 min	28.06	4.1%
40 g	Columbus40 g Columbus Hops	Pellet	13.4	Boil	20 min	25.3	4.1%
30 g	Centennial30 g Centennial Hops	Pellet	9	Boil	20 min	12.75	3.1%
40 g	Columbus40 g Columbus Hops	Pellet	13.4	Boil	5 min	8.33	4.1%
75 g	Centennial75 g Centennial Hops	Pellet	9	Boil	5 min	10.49	7.7%
250 g	Amarillo250 g Amarillo Hops	Pellet	8	Dry Hop	7 days		25.6%
250 g	Citra250 g Citra Hops	Pellet	13	Dry Hop	7 days		25.6%
200 g	Simcoe200 g Simcoe Hops	Pellet	12.7	Dry Hop	7 days		20.5%
975 g / 0.00 €

Show Summary View

Hops Summary

Amount	Variety	IBU	Bill %
130 g	Columbus (Pellet) 130 g Columbus (Pellet) Hops	85.86	13.3%
145 g	Centennial (Pellet) 145 g Centennial (Pellet) Hops	51.3	14.9%
250 g	Amarillo (Pellet) 250 g Amarillo (Pellet) Hops		25.6%
250 g	Citra (Pellet) 250 g Citra (Pellet) Hops		25.6%
200 g	Simcoe (Pellet) 200 g Simcoe (Pellet) Hops		20.5%
975 g / 0.00 €

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
22 L	Temperature	--	65 °C	75 min
	Temperature	--	78 °C	5 min
18 L	Sparge	--	78 °C	--
Starting Mash Thickness: 2.3 L/kg

Other Ingredients

Amount	Name	Cost	Type	Use	Time
15 g	Lactic acid		Water Agt	Mash	0 min.

Yeast

Wyeast - American Ale II 1272

Amount:	1 Each	Cost:
Attenuation (custom):	78%	Flocculation:	High
Optimum Temp:	16 - 22 °C	Starter:	No
Fermentation Temp:	20 °C	Pitch Rate:	0.5 (M cells / ml / ° P) 240 B cells required

0.00 € Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 4.04 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

657

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Brews

Public: Yup, Shared
Last Updated: 2026-07-06 12:44 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost €	Cost %
Fermentables	€
Steeping Grains (Extract Only)	€
Hops	€
Yeast	€
Other	€
Cost Per Barrel	€ 0.00
Cost Per Pint	€ 0.00
Total Cost	€ 0.00

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