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imp gimp

Name: imp gimp
Prep time: 150 min
Cook time: 120 min
Total time: 270 min
Yield: 38 liters
Cuisine: Homebrewing
Ingredients: 13.85 kg Veloria Schooner; 1.5 kg Dextrose Sugar; 0.3 kg Molasses; 0.4 kg Crystal Medium; 0.3 kg CaraAroma; 0.3 kg Dark Chocolate Malt; 0.3 kg Eclipse Roasted Wheat; 0.2 kg Weyermann Carafa Special III (Roasted); 0.2 kg Brown Sugar; 90 g Magnum Hops; 25 g Pride of Ringwood Hops; 25 g Pride of Ringwood Hops

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Method: All Grain
Style: Imperial Stout
Boil Time: 120 min
Batch Size: 38 liters (fermentor volume)
Pre Boil Size: 63 liters
Post Boil Size: 42 liters
Pre Boil Gravity: 1.055 (recipe based estimate)
Post Boil Gravity: 1.100 (recipe based estimate)
Efficiency: 68.5% (brew house)
Calories: 310 calories (Per 330ml)
Carbs: 29.6 g (Per 330ml)

Created: Friday June 26th 2026

Original Gravity:

1.100

Final Gravity:

1.022

ABV (standard):

10.3%

IBU (tinseth):

92.8

SRM (morey):

40.5

Mash pH

5.3

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
13.85 kg	Voyager Craft Malt - Veloria Schooner13.85 kg Veloria Schooner	35.9	3.6	79.8%
1.50 kg	Gladfield - Dextrose Sugar1.5 kg Dextrose Sugar - (late boil kettle addition)	46	0	8.6%
0.30 kg	Molasses0.3 kg Molasses - (late boil kettle addition)	36	80	1.7%
0.40 kg	Simpsons - Crystal Medium0.4 kg Crystal Medium	33	65.01	2.3%
0.30 kg	Weyermann - CaraAroma0.3 kg CaraAroma	36	140	1.7%
0.30 kg	Gladfield - Dark Chocolate Malt0.3 kg Dark Chocolate Malt	32.7	488	1.7%
0.30 kg	Gladfield - Eclipse Roasted Wheat0.3 kg Eclipse Roasted Wheat	34	525.6	1.7%
0.20 kg	Weyermann Carafa Special III (Roasted)	30	560	1.2%
0.20 kg	Brown Sugar0.2 kg Brown Sugar - (late boil kettle addition)	45	15	1.2%
17.35 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
90 g	Magnum90 g Magnum Hops	Pellet	14.4	Boil	60 min	82.83	64.3%
25 g	Pride of Ringwood25 g Pride of Ringwood Hops	Pellet	9	Boil	15 min	7.14	17.9%
25 g	Pride of Ringwood25 g Pride of Ringwood Hops	Pellet	9	Boil	5 min	2.87	17.9%
140 g / $ 0.00

Show Summary View

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
45 L	Mix brew ever 20 mins	Infusion	75 °C	65 °C	60 min
	Mix brew every 15	Infusion	65 °C	70 °C	30 min
60 L		Strike	74 °C	77 °C	60 min
Starting Mash Thickness: 3 L/kg Starting Grain Temp: 18 °C

Other Ingredients

Amount	Name	Type	Use	Time
9 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
12 g	Calcium Chloride (dihydrate)	Water Agt	Sparge	1 hr.
4.50 g	Epsom Salt	Water Agt	Mash	1 hr.
6 g	Epsom Salt	Water Agt	Sparge	1 hr.
2.25 g	Gypsum	Water Agt	Mash	1 hr.
3 g	Gypsum	Water Agt	Sparge	1 hr.
2.25 g	Salt	Water Agt	Mash	1 hr.
3 g	Salt	Water Agt	Sparge	1 hr.
5.40 g	Baking Soda	Water Agt	Mash	1 hr.
4.50 g	Slaked Lime	Water Agt	Mash	1 hr.

Yeast

Danstar - Nottingham Ale Yeast

Amount:	4 Each	Cost:
Attenuation (custom):	75%	Flocculation:	High
Optimum Temp:	14 - 21 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 316 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.2 Volumes

Target Water Profile

GLen Alvie Tank Water

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

Notes

First Mash PH reading 5.6, added 1 gram of citric. Second reading 5.4. Final reading at boil 5.4.

Ended up with 20L extra liquid. Only needed 85L vs 105L.

The ferment blew off making a mess. For the same yeast try 16C next time to start.

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-07-06 10:22 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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Amount	Variety	IBU	Bill %
90 g	Magnum (Pellet) 90 g Magnum (Pellet) Hops	82.83	64.3%
50 g	Pride of Ringwood (Pellet) 50 g Pride of Ringwood (Pellet) Hops	10.01	35.8%
140 g / $ 0.00