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Jackhammer Black IPA

Method: All Grain
Style: Specialty IPA: Black IPA
Boil Time: 60 min
Batch Size: 125 gallons (fermentor volume)
Pre Boil Size: 132 gallons
Post Boil Size: 125 gallons
Pre Boil Gravity: 1.059 (recipe based estimate)
Post Boil Gravity: 1.062 (recipe based estimate)
Efficiency: 86% (brew house)
Source: Stubborn German Brewing Company/Steve Agnew
Calories: 204 calories (Per 12oz)
Carbs: 19.3 g (Per 12oz)

Created: Wednesday October 24th 2018

Original Gravity:

1.062

Final Gravity:

1.013

ABV (standard):

6.4%

IBU (tinseth):

87.1

SRM (morey):

33.9

Mash pH

5.6

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
137.74 lb	American - Pale Ale137.74 lb Pale Ale	37	3.5	56.6%
59.51 lb	German - Pilsner59.51 lb Pilsner	38	1.6	24.4%
11.37 lb	American - Midnight Wheat Malt11.37 lb Midnight Wheat Malt	33	550	4.7%
14.90 lb	American - White Wheat14.9 lb White Wheat	40	2.8	6.1%
11.37 lb	American - Caramel / Crystal 40L11.37 lb Caramel / Crystal 40L	34	40	4.7%
8.52 lb	German - Carafa III8.52 lb Carafa III	32	535	3.5%
243.41 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
13.50 oz	Galaxy13.5 oz Galaxy Hops	Pellet	14.2	Boil	90 min	28.87	7.4%
20 oz	Centennial20 oz Centennial Hops	Pellet	10	Boil	5 min	5.61	11%
40 oz	Mosaic40 oz Mosaic Hops	Pellet	12.3	Boil	5 min	13.81	22%
28 oz	Alpha Aroma28 oz Alpha Aroma Hops	Pellet	13.6	Whirlpool	10 min	22.82	15.4%
16 oz	Galaxy16 oz Galaxy Hops	Pellet	14.2	Whirlpool	10 min	13.61	8.8%
16 oz	Willamette16 oz Willamette Hops	Pellet	5	Whirlpool	10 min	2.4	8.8%
16 oz	Simcoe16 oz Simcoe Hops	Pellet	12.7	Dry Hop	0 days		8.8%
16 oz	Columbus16 oz Columbus Hops	Pellet	15.6	Dry Hop	0 days		8.8%
8 oz	Chinook8 oz Chinook Hops	Pellet	11.7	Dry Hop	0 days		4.4%
8 oz	Willamette8 oz Willamette Hops	Pellet	4.7	Dry Hop	0 days		4.4%
181.50 oz / $ 0.00

Show Summary View

Hops Summary

Amount	Variety	IBU	Bill %
29.50 oz	Galaxy (Pellet)	42.48	16.2%
20 oz	Centennial (Pellet)	5.61	11%
40 oz	Mosaic (Pellet)	13.81	22%
28 oz	Alpha Aroma (Pellet)	22.82	15.4%
16 oz	Willamette (Pellet)	2.4	8.8%
16 oz	Simcoe (Pellet)		8.8%
16 oz	Columbus (Pellet)		8.8%
8 oz	Chinook (Pellet)		4.4%
8 oz	Willamette (Pellet)		4.4%
181.50 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
		Infusion	--	150 °F	60 min
Starting Mash Thickness: 1.5 qt/lb

Yeast

White Labs - California Ale Yeast WLP001

Amount:	0.91 Each	Cost:
Attenuation (avg):	76.5%	Flocculation:	Medium
Optimum Temp:	68 - 73 °F	Starter:	No
Fermentation Temp:	66 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 2519 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.35 Volumes

Target Water Profile

RO Water

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
0	0	0	0	0	0
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

734

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Brews

Public: Yup, Shared
Last Updated: 2025-11-10 16:14 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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