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Rekkenmark's Last Hope

Method: BIAB
Style: Belgian Dark Strong Ale
Boil Time: 80 min
Batch Size: 5 gallons (fermentor volume)
Pre Boil Size: 5.5 gallons
Post Boil Size: 5 gallons
Pre Boil Gravity: 1.086 (recipe based estimate)
Post Boil Gravity: 1.094 (recipe based estimate)
Efficiency: 75% (brew house)
Calories: 311 calories (Per 12oz)
Carbs: 27.1 g (Per 12oz)

Created: Thursday December 25th 2025

Original Gravity:

1.094

Final Gravity:

1.017

ABV (standard):

10.2%

IBU (tinseth):

28.6

SRM (morey):

31.8

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
5 lb	Weyermann - Floor-Malted Bohemian Pilsner5 lb Floor-Malted Bohemian Pilsner	36.3	1.9	28.6%
0.25 lb	Weyermann - Carafa Special Type 1 0.25 lb Carafa Special Type 1	29.9	340	1.4%
2 lb	Weyermann - Dark Wheat Malt2 lb Dark Wheat Malt	37	7	11.4%
7 lb	Weyermann - Abbey Malt7 lb Abbey Malt	36.8	17	40%
0.65 lb	Weyermann - Carafoam0.65 lb Carafoam	34.5	2.2	3.7%
0.37 lb	Weyermann - CaraAroma0.37 lb CaraAroma	36	140	2.1%
100 g	Raw Honey100 g Raw Honey	38	20	1.3%
1 lb	Weyermann - Pale Wheat1 lb Pale Wheat	36	2	5.7%
0.50 lb	Weyermann - Melanoidin0.5 lb Melanoidin	34.5	27	2.9%
4 oz	Blueberry4 oz Blueberry - (late fermenter addition)	4.95	0	1.4%
0.25 lb	Weyermann - Carafa III0.25 lb Carafa III	32	525	1.4%
17.49 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1 oz	Centennial1 oz Centennial Hops	Pellet	10	Boil	30 min	21.19	58.8%
0.70 oz	Hallertau Tradition (Germany)	Pellet	5	Boil	30 min	7.42	41.2%
1.70 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
1 oz	Centennial (Pellet)	21.19	58.8%
0.70 oz	Hallertau Tradition (Germany) (Pellet)	7.42	41.2%
1.70 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
5 gal			155 °F	147 °F	80 min

Yeast

Mangrove Jack - New World Strong Ale M42

Amount:	1 Each	Cost:
Attenuation (avg):	79.5%	Flocculation:	High
Optimum Temp:	61 - 72 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 149 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: Honey Amount: 9.2 oz Temp: 68 °F CO₂ Level: 4.04 Volumes

Target Water Profile

Balanced Profile

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

Notes

Imperial Blueberry Stout | 11.5% ABV

Profile: Scorched Malt · Dark Cacao · Nightwood Berries · Vinous Acidity

The Story: Built on the grim discipline of the Karrnathi North. This 11.5% titan pours like ink, trading sweetness for the sharp, vinous acidity of berries harvested from the edge of the Nightwood. A beer of endurance—stoic, heavy, and engineered for the long winter watch.

Serve cold. Stay sharp.

Used this for the blueberries. The blueberries increased the percentage of 10 to 11.53. So caution is advised.

https://amoretti.com/products/blueberry-compound?srsltid=AfmBOop0kU5tnLbdc6I0g-Yi2BLgPdhaIBXKKhZ95EJOOcuP9_7NInV5

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2026-05-04 21:56 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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