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Mertsin Golden Weasel Ale

Method: All Grain
Style: British Golden Ale
Boil Time: 55 min
Batch Size: 22 liters (fermentor volume)
Pre Boil Size: 26.15 liters
Post Boil Size: 23 liters
Pre Boil Gravity: 1.041 (recipe based estimate)
Post Boil Gravity: 1.047 (recipe based estimate)
Efficiency: 60% (brew house)
Calories: 142 calories (Per 330ml)
Carbs: 12.3 g (Per 330ml)

Created: Sunday August 24th 2025

Original Gravity:

1.047

Final Gravity:

1.008

ABV (standard):

5.0%

IBU (tinseth):

25.8

SRM (morey):

4.0

Mash pH

5.4

Cost $

n/a

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Brew Log History

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Calories: {{ stats.calories | number:1 }} / 330ml
Carbs: {{ stats.carbs | number:1 }} g / 330ml

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Device Filter
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Fermentables

Amount	Fermentable	PPG	°L	Bill %
2 kg	Weyermann - Pilsner2 kg Pilsner	36	1.5	36.4%
2.70 kg	Simpsons - Maris Otter pale2.7 kg Maris Otter pale	38	2.4	49.1%
0.80 kg	Viking - Finland - Wheat Malt0.8 kg Finland - Wheat Malt	38	2	14.5%
5.50 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
10 g	Nelson Sauvin10 g Nelson Sauvin Hops	Pellet	15.1	Boil	55 min	18.46	12.5%
20 g	Charles Faram - Styrian Kolibri20 g Styrian Kolibri Hops	Pellet	2.8	Boil	20 min	4.24	25%
20 g	Charles Faram - Bobek20 g Bobek Hops	Pellet	4.2	Boil	5 min	2.09	25%
15 g	Charles Faram - Styrian Kolibri15 g Styrian Kolibri Hops	Pellet	2.8	Boil	5 min	1.05	18.8%
15 g	Amarillo15 g Amarillo Hops	Pellet	8.8	Boil	0 min		18.8%
80 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
10 g	Nelson Sauvin (Pellet) 10 g Nelson Sauvin (Pellet) Hops	18.46	12.5%
35 g	Charles Faram - Styrian Kolibri (Pellet) 35 g Styrian Kolibri (Pellet) Hops	5.29	43.8%
20 g	Charles Faram - Bobek (Pellet) 20 g Bobek (Pellet) Hops	2.09	25%
15 g	Amarillo (Pellet) 15 g Amarillo (Pellet) Hops		18.8%
80 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
23.85 L		Strike	71 °C	67 °C	60 min
Starting Mash Thickness: 4.5 L/kg Starting Grain Temp: 18 °C

Other Ingredients

Amount	Name	Type	Use	Time
0.20 g	Potassium Metabisulfite	Water Agt	Mash	0 min.
3 g	Calcium Chloride (anhydrous)	Water Agt	Mash	1 hr.
3 g	Gypsum	Water Agt	Mash	1 hr.
2.90 ml	Lactic acid	Water Agt	Mash	1 hr.

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	1 Each	Cost:
Attenuation (avg):	81%	Flocculation:	Medium
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 90 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.45 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2025-09-01 16:27 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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Mertsin Golden Weasel Ale

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