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123 RIS 2025

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 120 min
Batch Size: 50 liters (fermentor volume)
Pre Boil Size: 72 liters
Pre Boil Gravity: 1.069 (recipe based estimate)
Post Boil Gravity: 1.150 (recipe based estimate)
Efficiency: 50% (brew house)
Source: Ricardo Hahn
Hop Utilization: 98%
Calories: 474 calories (Per 330ml)
Carbs: 50.5 g (Per 330ml)

Created: Sunday January 12th 2025

Original Gravity:

1.150

Final Gravity:

1.042

ABV (standard):

14.1%

IBU (tinseth):

115.7

SRM (morey):

50.0

Mash pH

5.3

Cost $

760.30

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
27 kg	Agrária - Pilsner Malt27 kg Pilsner Malt	$ 9.70 / kg $ 261.90	37	2	63.2%
3 kg	Cane Sugar3 kg Cane Sugar - (late boil kettle addition)	$ 6.00 / kg $ 18.00	46	0	7%
2 kg	Flaked Oats2 kg Flaked Oats	$ 11.00 / kg $ 22.00	33	2.2	4.7%
2 kg	German - Melanoidin2 kg Melanoidin	$ 24.00 / kg $ 48.00	37	25	4.7%
2 kg	Weyermann - Pale Wheat2 kg Pale Wheat	$ 16.00 / kg $ 32.00	36	2	4.7%
1.20 kg	Castle Malting - Château Acid (Malta Acida)1.2 kg Château Acid (Malta Acida)	$ 28.00 / kg $ 33.60	34	4.1	2.8%
1 kg	German - Carafa III1 kg Carafa III - (late mash tun addition)	$ 30.00 / kg $ 30.00	32	535	2.3%
1 kg	German - Carafa I1 kg Carafa I - (late mash tun addition)	$ 30.00 / kg $ 30.00	32	340	2.3%
1 kg	Weyermann - Chocolate Rye1 kg Chocolate Rye - (late mash tun addition)	$ 25.00 / kg $ 25.00	29.9	240	2.3%
1 kg	Weyermann - Special W1 kg Special W	$ 30.00 / kg $ 30.00	33.6	115	2.3%
1 kg	Cane Sugar1 kg Cane Sugar - (late boil kettle addition)	$ 10.00 / kg $ 10.00	46	0	2.3%
0.50 kg	Cane Sugar0.5 kg Cane Sugar - (late boil kettle addition)	$ 20.00 / kg $ 10.00	46	0	1.2%
42.70 kg / $ 550.50

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
120 g	Northern Brewer (7.8 AA)120 g Northern Brewer (7.8 AA) Hops	$ 280.00 / kg $ 33.60	Pellet	6.5	First Wort	120 min	39.22	29.3%
120 g	Northern Brewer (7.8 AA)120 g Northern Brewer (7.8 AA) Hops	$ 280.00 / kg $ 33.60	Pellet	6.5	Boil	90 min	34.97	29.3%
120 g	Northern Brewer (7.8 AA)120 g Northern Brewer (7.8 AA) Hops	$ 280.00 / kg $ 33.60	Pellet	6.5	Boil	50 min	31.09	29.3%
50 g	Northern Brewer (7.8 AA)50 g Northern Brewer (7.8 AA) Hops	$ 280.00 / kg $ 14.00	Pellet	6.5	Boil	30 min	10.47	12.2%
410 g / $ 114.80

Show Summary View

Amount	Variety	Cost	IBU	Bill %
410 g	Northern Brewer (7.8 AA) (Pellet)	$ 280.00 / kg $ 114.80	115.75	100.1%
410 g / $ 114.80

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
82.13 L	após 40min adicionar maltes torrads	Strike	68 °C	62 °C	60 min
	ao final adicionar chocolate e malte torrado com casca	Steeping	--	67 °C	15 min
85 L	recirculação / mashout	Sparge	--	78 °C	15 min
Starting Mash Thickness: 2.15 L/kg Starting Grain Temp: 28 °C

Other Ingredients

Amount	Name	Cost	Type	Use	Time
5 g	Fermaid K	$ 0.00 / g $ 0.00	Other	Boil	10 min.
1 g	Crush whilrfoc Tablet	$ 5.00 / each $ 5.00	Water Agt	Boil	10 min.
16 g	Lactic acid		Water Agt	Sparge	1 hr.
$ 5.00

Yeast

Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST

Amount:	3 Each	Cost:	$ 30.00 / each $ 90.00
Attenuation (custom):	62%	Flocculation:	High
Optimum Temp:	10 - 22 °C	Starter:	Yes
Fermentation Temp:	17 °C	Pitch Rate:	1.25 (M cells / ml / ° P) 2140 B cells required

$ 90.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 0 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
20	6	0	4	4	112
sais adicionados na água da mostura (equivalente a uma receita) Depois + metade da receita em cada fervura Adicionar: Sulfato de Cálcio: CaSO4 2gr Sulfato de Magnésio: MgSO4 8gr Cloreto de Cálcio: CaCl2 7gr estats do estilo ca Calcio 50/75 60 Mg Magnesio 10/30 25 Cl Cloreto 50/150 60 SO4 sulfato 50/150 100 razão sulfato/cloreto = 1,7 (1,5 – 2,0 Amargo leve) Fermaid K 5gr whirfloc 1 pastilha na RIS
Mash Chemistry and Brewing Water Calculator

Notes

Notas pós brassagem 07/2022
82 litros para mostura ( no máximo 85 para até 35kg de malte)
76 litros pré-boil densidade 1080
fervura intensa 90minutos -OG 1098 / 55 litros (com 200gr lactose )

2024
pre boil 78 a 80l >> deverá ser por volta de 1100
Post boil previsto= 56 llitros 1125

BU/GU do estilo 0,667 a 0,78 --- media 0,72

OG 1125 com 85 IBU >> BU/GU = 0,69

Maltes torrados (carafa) adição após 30min de sacarificação
quando adicionar os maltes torrados, adicionar carbonato para correção de ph
cevada SÓ no mashout

2025
Adicionar Beta-glucanase na ariada do malte 110 gotas (3 a 4 gr kilo)

Bu/GU 0.68 considerando OG 1140 e 96 IBU
Com a fervura de meia hora a mais houve acréscimo de IBU

Last Updated and Sharing

307

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Brews

Public: Yup, Shared
Last Updated: 2025-03-27 00:39 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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