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Robusta

Method: Extract
Style: British Strong Ale
Boil Time: 90 min
Batch Size: 25 liters (fermentor volume)
Pre Boil Size: 30 liters
Post Boil Size: 25 liters
Pre Boil Gravity: 1.057 (recipe based estimate)
Post Boil Gravity: 1.068 (recipe based estimate)
Efficiency: 70% (steeping grains only)
Source: Volzhausen Brewery
Calories: 223 calories (Per 12oz)
Carbs: 18.7 g (Per 12oz)

Created: Saturday June 28th 2025

Original Gravity:

1.068

Final Gravity:

1.011

ABV (standard):

7.5%

IBU (tinseth):

37.6

SRM (morey):

13.2

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
3 kg	Muntons - Maris Otter3 kg Maris Otter	38	2.3	47.2%
400 g	Gladfield - Dextrose Sugar400 g Dextrose Sugar	46	0	6.3%
500 g	Belgian Candi Sugar - Amber/Brown (60L)	38	60	7.9%
500 g	Weyermann - Diastatic Barley500 g Diastatic Barley	36	2	7.9%
0.18 kg	Simpsons - Amber Malt0.18 kg Amber Malt	31.8	20.8	2.8%
0.12 kg	Weyermann - CaraRed0.12 kg CaraRed	35	19.3	1.9%
0.12 kg	Simpsons - Crystal T500.12 kg Crystal T50	34	50	1.9%
20 g	Simpsons - Chocolate Malt20 g Chocolate Malt - (late boil kettle addition)	31.7	444	0.3%
20 g	Simpsons - Roasted Barley20 g Roasted Barley - (late boil kettle addition)	28.52	600	0.3%
1,500 g	Corn Sugar - Dextrose1500 g Corn Sugar - Dextrose	42	0.5	23.6%
6,360 g / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
30 g	Cascade30 g Cascade Hops	Pellet	7	Boil	60 min	20.09	40.9%
15 g	First Gold15 g First Gold Hops	Pellet	7.5	Boil	45 min	9.88	20.5%
14.15 g	East Kent Goldings14.15 g East Kent Goldings Hops	Pellet	5.8	Boil	30 min	6.03	19.3%
14.15 g	East Kent Goldings14.15 g East Kent Goldings Hops	Pellet	5.8	Boil	5 min	1.57	19.3%
73.30 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
30 g	Cascade (Pellet) 30 g Cascade (Pellet) Hops	20.09	40.9%
15 g	First Gold (Pellet) 15 g First Gold (Pellet) Hops	9.88	20.5%
28.30 g	East Kent Goldings (Pellet)	7.6	38.6%
73.30 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
22.2 L		Infusion	73 °C	64 °C	75 min
20 L		Sparge	--	78 °C	40 min

Yeast

Wyeast - Scottish Ale 1728

Amount:	140 Milliliters	Cost:
Attenuation (avg):	71%	Flocculation:	High
Optimum Temp:	13 - 24 °C	Starter:	No
Fermentation Temp:	21.1 °C	Pitch Rate:	0.35 (M cells / ml / ° P) 145 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 1.9 Volumes

Target Water Profile

Bonchales 3 para imperial ipa

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
34	9	7	11	6	90

Notes

Afegim glucoamilasa 2 grs al mash per baixar la gravetat final al voltant de 1015

Last Updated and Sharing

160

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Brews

Public: Yup, Shared
Last Updated: 2025-07-21 10:40 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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