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Drowsy Duck

239 calories 18.7 g 12 oz
Beer Stats
Method: All Grain
Style: Old Ale
Boil Time: 90 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 7.69 gallons
Post Boil Size: 5.75 gallons
Pre Boil Gravity: 1.050 (recipe based estimate)
Post Boil Gravity: 1.073 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Bryan Maloney
Calories: 239 calories (Per 12oz)
Carbs: 18.7 g (Per 12oz)
Created: Thursday August 7th 2025
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Fermentables
Amount Fermentable Cost PPG °L Bill %
12 lb Crisp Malting - Chevallier Heritage Malt12 lb Chevallier Heritage Malt 36.3 3 76.8%
1.38 lb Crisp Malting - Brown Malt1.375 lb Brown Malt 32.7 65 8.8%
1.25 lb Crisp Malting - Amber1.25 lb Amber 33.1 27.5 8%
1 lb Lyle - Black Treacle1 lb Black Treacle - (late boil kettle addition) 36 74.4 6.4%
15.62 lbs / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1.50 oz Fuggles1.5 oz Fuggles Hops Leaf/Whole 4.5 Boil 90 min 22.75 33.3%
1.50 oz Fuggles1.5 oz Fuggles Hops Leaf/Whole 4.5 Boil 60 min 21.27 33.3%
1 oz Goldings1 oz Goldings Hops Leaf/Whole 4.5 Boil 30 min 10.9 22.2%
0.50 oz Goldings0.5 oz Goldings Hops Leaf/Whole 4.5 Dry Hop 14 days 11.1%
4.50 oz / 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
18.5 qt Stir constantly during mash step. Strike 158 °F 145 °F 45 min
12.5 qt Stir constantly during mash step Infusion 158 °F 152 °F 45 min
9 qt Stir constantly during mash step Infusion 170 °F 160 °F 30 min
Starting Mash Thickness: 2 qt/lb
Starting Grain Temp: 70 °F
 
Other Ingredients
Amount Name Cost Type Use Time
1.27 g Canning Salt Water Agt Mash 0 min.
4.08 g Calcium Chloride (dihydrate) Water Agt Mash 0 min.
 
Yeast
Omega Yeast Labs - British Ale I OYL-006
Amount:
2 Quarts
Cost:
Attenuation (avg):
75%
Flocculation:
Medium High
Optimum Temp:
64 - 72 °F
Starter:
Yes
Fermentation Temp:
68 °F
Pitch Rate:
0.75 (M cells / ml / ° P) 277 B cells required
Omega Yeast Labs - Brettanomyces Claussenii OYL-201
Amount:
1 Each
Cost:
Attenuation (custom):
85%
Flocculation:
Low
Optimum Temp:
68 - 85 °F
Starter:
Yes
Fermentation Temp:
68 °F
Pitch Rate:
0.75 (M cells / ml / ° P) 277 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: dme       Amount: 2.8 oz       Temp: 68 °F       CO2 Level: 1.5 Volumes
 
Target Water Profile
Kentucky River Station II, Georgetown KY
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
64 10 21 82 41 92
Mash Chemistry and Brewing Water Calculator
 
Notes

Six months before you start brewing, put all the Fuggles and the cask Goldings in paper bags and store in a cool (50-60F if possible), dry place weighed down by a moderately-sized book. You want to press them but not crush them.

Salt additions presume 11 gallons of water for use.

The infusion mash requires frequent stirring throughout the process. Do not just passively infuse. Stir thoroughly at mash-in and frequently throughout. Brew day is arm day. This recipe drains each infusion thoroughly before adding the next infusion. There is no sparge or separate "mash-out".

Primary yeast is a 2 quart starter. Two days before brew day, boil 1 cup light DME in 2 quarts water, 15 min. Cool. Pitch yeast pack. Ferment 24 hours. Put into refrigerator.

On brew day, decant wort off settled starter. Put starter back into fridge. About an hour before pitching, take it out and let it warm at room temperature. Let primary go 10 days, then check gravity daily. Once gravity is stable over 3 days. Transfer to secondary

In secondary (Brett), let percolate 240 days, use glycerol in the airlock. Check gravity. Two weeks later, check gravity. If stable, check again in two weeks. If still stable, add the "cask" hops (remember the bag, and don't splash, lower them in with a rigid tool). Hold two more weeks. If not stable, check gravity in two weeks. Eventually, add hops for two weeks.

After two weeks, remove hops and use isenglas. Give it a week to clarify, then bottle.

Make priming wort on bottling day:

Priming Wort
• 0.25 lb Crisp Chevalier Heritage Malt
• 0.10 lb Crisp Brown Malt
• Mash grains in 1.5 qt treated water at 145 °F for 30-45 min.
• Add 0.7 oz (weight) treacle.
• Boil 15 min.
• Cool completely before use.

It will be ready to sample after 3 months in the bottle. It may take 12 months in the bottle to hit its stride. Recommend serving at 50-55F.

Final gravity and ABV are based incorporating the Brett

This can also be done without the Brett. Secondary will only be 4 weeks, then fine (5 weeks total), Bottle aging will be shorter (about half). If this option is taken, FG is ~ 1.017 and ABV ~ 7.1%

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  • Last Updated: 2026-05-29 18:24 UTC
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