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OCO Imperial heavied Parti-gyle

Method: All Grain
Style: Dry Stout
Boil Time: 60 min
Batch Size: 6 gallons (fermentor volume)
Pre Boil Size: 7.76 gallons
Post Boil Size: 6.4 gallons
Pre Boil Gravity: 1.122 (recipe based estimate)
Post Boil Gravity: 1.148 (recipe based estimate)
Efficiency: 86% (brew house)
Source: Robert Palmer
Hop Utilization: 99.9746%
Calories: 500 calories (Per 12qt)
Carbs: 49.3 g (Per 12qt)

Created: Thursday January 22nd 2026

Original Gravity:

1.148

Final Gravity:

1.036

ABV (standard):

14.8%

IBU (tinseth):

29.6

SRM (morey):

50.0

Mash pH

5.6

Cost $

28.44

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
18 lb	Muntons - Maris Otter18 lb Maris Otter	$ 1.58 / lb $ 28.44	38	2.3	60%
7 lb	German - Bohemian Pilsner7 lb Bohemian Pilsner	$ 0.00 / lb $ 0.00	38	1.9	23.3%
3 lb	Briess - Chocolate3 lb Chocolate		25	350	10%
2 lb	Quaker - Rolled Oats2 lb Rolled Oats	$ 0.00 / lb $ 0.00	4	1	6.7%
30 lbs / $ 28.44

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
1 oz	Northern Brewer - Mighty Axe Tropica1 oz Mighty Axe Tropica Hops	$ 0.00 / oz $ 0.00	Pellet	8.8	First Wort	60 min	13.1	33.3%
1 oz	Northern Brewer - Mighty Axe Tropica1 oz Mighty Axe Tropica Hops	$ 0.00 / oz $ 0.00	Pellet	8.8	Boil	30 min	11.19	33.3%
1 oz	Northern Brewer - Mighty Axe Tropica1 oz Mighty Axe Tropica Hops		Pellet	8.8	Boil	10 min	5.28	33.3%
3 oz / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
3 oz	Northern Brewer - Mighty Axe Tropica (Pellet)	$ 0.00 / oz $ 0.00	29.57	99.9%
3 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
11.22 gal	No sparge	Strike	168 °F	157 °F	90 min
Starting Mash Thickness: 1.55 qt/lb Starting Grain Temp: 65 °F

Other Ingredients

Amount	Name	Cost	Type	Use	Time
3 tsp	Calcium Chloride (dihydrate)	$ 0.00 / oz $ 0.00	Water Agt	Mash	1 hr.
0.50 tsp	Epsom Salt	$ 0.00 / oz $ 0.00	Water Agt	Mash	1 hr.
1.50 tsp	Baking Soda		Water Agt	Mash	1 hr.
1 each	Whirlfloc		Water Agt	Boil	12 min.
10 each	Sweet Orange Peel		Flavor	Boil	7 min.

Yeast

Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST

Amount:	3 Each	Cost:	$ 0.00 / each $ 0.00
Attenuation (avg):	80%	Flocculation:	High
Optimum Temp:	50 - 72 °F	Starter:	No
Fermentation Temp:	58 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 269 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: dextrose Amount: 5 oz Temp: 56 °F CO₂ Level: 2.5 Volumes

Target Water Profile

Balanced Profile II

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
150	10	6	150	160	220
Mash Chemistry and Brewing Water Calculator

Notes

First runnings to boil kettle; no sparge. Boil up to 75 minutes. Target is 6 gallons to fermenter.

( 5.5 gallons went into fermenter at SG 1.097 )

Sparge grains ± 45 minutes with 5.5 gallons 170° into secondary vessel. Time so as to finish towards end of first run boil.

Boil up to 60 minutes with 1 oz. Cascade hop additions at first wort, 20 and 5 minute timing. Cool to pitch temp. for 1 packet SafAle 04 yeast.

( 5 gallons went into fermenter at SG 1.052 )

Combined 1.149

K97, SO4 and Highlander all working well at 55 to 57 °

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2026-03-03 20:38 UTC

System Default

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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