Category Archives: 21A – American IPA

Trap Door IPA – 2026

September 4, 202621 - IPA, 21A - American IPACraig Williams - Headbrewer

Recipe

Trap Door 2026 – American Pale Ale (18B)

Brewer
Date	8/28/26

Batch Size	19.000 L	Boil Size	22.100 L
Boil Time	60.000 min	Efficiency	70
OG	1.050 sg	FG	1.012 sg
ABV	4.8%	IBU	34.8 (Tinseth’s approximation)
Color	8.9 srm (Morey’s approximation)	Estimated calories (per 33 cl)	153

Fermentables

Name	Type	Amount	Mashed	Late	Extract Yield Dry Basis Fine Grind (DBFG)	Color
Barn Owl – Pilsner	Grain	3.200 kg	Yes	No	81%	1.9 srm
Mixed Grain	Grain	1.100 kg	Yes	No	82%	8.0 srm
Caramel/Crystal Malt – 40L	Grain	500.000 g	Yes	No	74%	53.1 srm
Wheat, Flaked	Grain	200.000 g	Yes	No	77%	1.9 srm
Total	—	5.000 kg	—	—	—	—

Hops

Name	Alpha	Amount	Add During	Time	Form	IBU
Cascade 2025 – Wet	1.0%	250.000 g	Add to Mash	0.000 min	Leaf	0.0
Chinook 2025 – Wet	2.2%	250.000 g	Add to Mash	0.000 min	Leaf	0.0
Cascade 2025 – Wet	1.0%	50.000 g	Add to Boil	20.000 min	Leaf	3.3
Cascade 2022 – Wet	1.0%	100.000 g	Add to Boil	5.000 min	Leaf	2.2
Chinook – Wet 2022	2.2%	100.000 g	Add to Boil	5.000 min	Leaf	4.7
Cascade 2022 – Wet	1.0%	100.000 g	Add to Boil	10.000 min	Leaf	4.0
Chinook – Wet 2022	2.2%	100.000 g	Add to Boil	10.000 min	Leaf	8.6
Chinook – Wet 2022	2.2%	50.000 g	Add to Boil	60.000 min	Leaf	11.9
Cascade 2022 – Wet	1.0%	250.000 g	Add to Fermentation	7.000 days	Leaf	0.0
Chinook – Wet 2022	2.2%	250.000 g	Add to Fermentation	7.000 days	Leaf	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Mash	2.200 g	15.000 min

Yeast

Name	Type	Form	Amount	Stage
LalBrew Voss	Kveik	Dry	0.000 kg	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	15.000 L	78.499 C	68.000 C	60 min
Batch Sparge 1	Batch Sparge (Drain Mash Tun)	12.100 L	84.950 C	74.000 C	15 min

Up the Line – 2026

September 4, 202621 - IPA, 21A - American IPACraig Williams - Headbrewer

Up the Line – 2026 – American IPA (21A)

Brewer
Date	8/25/26

Batch Size	19.000 L	Boil Size	22.100 L
Boil Time	60.000 min	Efficiency	75
OG	1.064 sg	FG	1.013 sg
ABV	6.7%	IBU	31.1 (Tinseth’s approximation)
Color	4.8 srm (Morey’s approximation)	Estimated calories (per 33 cl)	197

Fermentables

Name	Type	Amount	Mashed	Late	Extract Yield Dry Basis Fine Grind (DBFG)	Color
Barn Owl – Pilsner	Grain	3.500 kg	Yes	No	81%	1.9 srm
Rahr – White Wheat Malt	Grain	1.500 kg	Yes	No	85%	4.6 srm
Oats, Flaked	Grain	1.000 kg	Yes	No	80%	0.6 srm
Rice Hulls	Other Adjunct	250.000 g	Yes	No	0%	-0.8 srm
Total	—	6.000 kg	—	—	—	—

Hops

Name	Alpha	Amount	Add During	Time	Form	IBU
Cascade 2025 – Wet	1.0%	250.000 g	Add to Mash	0.000 min	Leaf	0.0
Chinook 2025 – Wet	2.2%	250.000 g	Add to Mash	0.000 min	Leaf	0.0
Cascade 2025 – Wet	1.0%	100.000 g	Add to Boil	5.000 min	Leaf	1.9
Chinook 2025 – Wet	2.2%	100.000 g	Add to Boil	5.000 min	Leaf	4.2
Cascade 2025 – Wet	1.0%	75.000 g	Add to Boil	10.000 min	Leaf	2.6
Chinook 2025 – Wet	2.2%	75.000 g	Add to Boil	10.000 min	Leaf	5.7
Chinook 2025 – Wet	2.2%	75.000 g	Add to Boil	20.000 min	Leaf	9.5
Cascade 2025 – Wet	1.0%	75.000 g	Add to Boil	60.000 min	Leaf	7.2
Cascade 2025 – Wet	1.0%	250.000 g	Add to Fermentation	0.000 min	Leaf	0.0
Chinook 2025 – Wet	2.2%	250.000 g	Add to Fermentation	0.000 min	Leaf	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Boil	2.200 g	0.000 min

Yeast

Name	Type	Form	Amount	Stage
Lallemand – Voss Kveik	Ale	Dry	0.000 kg	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	18.000 L	77.816 C	68.000 C	60 min
Batch Sparge 1	Batch Sparge (Drain Mash Tun)	10.100 L	89.336 C	74.000 C	15 min

Emergency IPA

February 13, 202521 - IPA, 21A - American IPA, UncategorizedCraig Williams - Headbrewer

Recipe

Emergency IPA – American IPA (21A)

Brewer
Date	2/12/25

Batch Size	18.000 L	Boil Size	21.100 L
Boil Time	60.000 min	Efficiency	75
OG	1.059 sg	FG	1.011 sg
ABV	6.5%	IBU	25.9 (Tinseth)
Color	5.0 srm (Morey)	Estimated calories (per 33 cl)	180

Fermentables

Name	Type	Amount	Mashed	Late	Yield	Color
Barn Owl – Pilsner	Grain	3.000 kg	Yes	No	81%	2.0 srm
Gambrinus – Honey Malted Oats	Grain	1.000 kg	Yes	No	80%	6.0 srm
OiO Wheat Malt	Grain	1.000 kg	Yes	No	86%	2.0 srm
Oats, Flaked	Grain	250.000 g	Yes	No	80%	1.0 srm
Wheat, Flaked	Grain	250.000 g	Yes	No	77%	2.0 srm
Total	—	5.500 kg	—	—	—	—

Hops

Name	Alpha	Amount	Use	Time	Form	IBU
Chinook wet – 2024	2.2%	250.000 g	Mash	60.000 min	Leaf	0.0
Chinook wet – 2024	2.2%	50.000 g	Boil	60.000 min	Leaf	10.9
Chinook wet – 2024	2.2%	50.000 g	Boil	20.000 min	Leaf	6.6
Chinook wet – 2024	2.2%	50.000 g	Boil	10.000 min	Leaf	4.0
Chinook wet – 2024	2.2%	100.000 g	Boil	5.000 min	Leaf	4.4
Galaxy	15.2%	30.000 g	Post-Boil	10.000 min	Pellet	0.0
Hallertau Blanc	9.2%	30.000 g	Post-Boil	10.000 min	Pellet	0.0
Civita	12.0%	30.000 g	Dry Hop	3.000 day	Pellet	0.0
Galaxy	15.2%	30.000 g	Dry Hop	3.000 day	Pellet	0.0
Hallertau Blanc	9.2%	30.000 g	Dry Hop	3.000 day	Pellet	0.0
Kohatu	5.7%	30.000 g	Dry Hop	3.000 day	Pellet	0.0
Triumph	11.0%	30.000 g	Dry Hop	3.000 day	Pellet	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Boil	2.200 g	15.000 min

Yeast

Name	Type	Form	Amount	Stage
Lallemande – Verdant IPA	Lager	Dry	0.00 mg	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	16.500 L	78.127 C	68.000 C	60 min
Batch Sparge 1	Batch Sparge	11.100 L	86.946 C	74.000 C	15 min

Chinook IPA 2024

February 12, 202521 - IPA, 21A - American IPACraig Williams - Headbrewer

Recipe

IPA – Chinook 2024 – American IPA (21A)

Brewer
Date	2024-08-24

Batch Size	8.900 L	Boil Size	12.000 L
Boil Time	60.000 min	Efficiency	70
OG	1.064 sg	FG	1.020 sg
ABV	6.1%	IBU	57.4 (Tinseth)
Color	8.7 srm (Morey)	Estimated calories (per 33 cl)	200

Fermentables

Name	Type	Amount	Mashed	Late	Yield	Color
Gambrinus – ESB Malt	Grain	4.000 kg	Yes	No	81%	3.5 srm
Weyermann – Munich 2	Grain	2.000 kg	Yes	No	81%	9.0 srm
Wheat, Flaked	Grain	500.000 g	Yes	No	77%	2.0 srm
Total	—	6.500 kg	—	—	—	—

Hops

Name	Alpha	Amount	Use	Time	Form	IBU
Chinook wet – 2024	2.2%	125.000 g	Boil	60.000 min	Leaf	26.1
Chinook wet – 2024	2.2%	125.000 g	Boil	20.000 min	Leaf	15.8
Chinook wet – 2024	2.2%	125.000 g	Boil	10.000 min	Leaf	9.5
Chinook wet – 2024	2.2%	145.000 g	Boil	5.000 min	Leaf	6.0
Chinook wet – 2024	2.2%	750.000 g	Dry Hop	7.000 day	Leaf	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Boil	2.200 g	15.000 min

Yeast

Name	Type	Form	Amount	Stage
Wyeast – Northwest Ale	Ale	Liquid	125.00 mL	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	19.500 L	77.553 C	68.000 C	60 min
Batch Sparge 1	Batch Sparge	9.100 L	92.252 C	74.000 C	15 min

Break Job IPA

February 12, 202521 - IPA, 21A - American IPACraig Williams - Headbrewer

Recipe

Break Job – American IPA (21A)

Brewer
Date	2/3/23

Batch Size	7.900 L	Boil Size	11.000 L
Boil Time	60.000 min	Efficiency	75
OG	1.066 sg	FG	1.013 sg
ABV	7.3%	IBU	55.6 (Tinseth)
Color	8.1 srm (Morey)	Estimated calories (per 33 cl)	202

Fermentables

Name	Type	Amount	Mashed	Late	Yield	Color
Maris Otter Pale (UK)	Grain	3.750 kg	Yes	No	82%	3.0 srm
Weyermann – Munich 2	Grain	2.000 kg	Yes	No	81%	9.0 srm
Wheat, Flaked	Grain	250.000 g	Yes	No	77%	2.0 srm
Total	—	6.000 kg	—	—	—	—

Hops

Name	Alpha	Amount	Use	Time	Form	IBU
Chinook wet – 2024	2.2%	125.000 g	Boil	60.000 min	Leaf	25.7
Chinook wet – 2024	2.2%	125.000 g	Boil	20.000 min	Leaf	15.5
Chinook wet – 2024	2.2%	125.000 g	Boil	10.000 min	Leaf	9.3
Chinook wet – 2024	2.2%	125.000 g	Boil	5.000 min	Leaf	5.1
Azacca Cryo	21.0%	45.000 g	Dry Hop	4.000 day	Pellet	0.0
Chinook wet – 2024	2.2%	250.000 g	Dry Hop	4.000 day	Leaf	0.0
El Dorado	15.0%	30.000 g	Dry Hop	4.000 day	Pellet	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Boil	2.200 g	15.000 min

Yeast

Name	Type	Form	Amount	Stage
Lallemande – Verdant IPA	Lager	Dry	0.00 mg	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	18.000 L	77.816 C	68.000 C	60 min
Batch Sparge 1	Batch Sparge	10.100 L	89.336 C	74.000 C	15 min

IPA – Summer 2024

April 26, 202421 - IPA, 21A - American IPA, UncategorizedCraig Williams - Headbrewer

Recipe

IPA – summer 2024 – American IPA (21A)

Brewer
Date	2020-02-26

Batch Size	18.000 L	Boil Size	21.100 L
Boil Time	60.000 min	Efficiency	80
OG	1.060 sg	FG	1.013 sg
ABV	6.4%	IBU	59.0 (Tinseth)
Color	5.2 srm (Morey)	Estimated calories (per 33 cl)	182

Fermentables

Name	Type	Amount	Mashed	Late	Yield	Color
Best Malz – Heidleberg Pilsner Malt	Grain	2.500 kg	Yes	No	81%	1.5 srm
Rahr – White Wheat Malt	Grain	1.500 kg	Yes	No	85%	4.0 srm
Oats, Flaked	Grain	500.000 g	Yes	No	80%	1.0 srm
Simpsons – Golden Naked Oats	Grain	500.000 g	Yes	No	73%	10.0 srm
Wheat, Flaked	Grain	250.000 g	Yes	No	77%	2.0 srm
Total	—	5.250 kg	—	—	—	—

Hops

Name	Alpha	Amount	Use	Time	Form	IBU
Chinook 2023 – Wet	2.2%	125.000 g	Boil	60.000 min	Leaf	27.2
Chinook 2023 – Wet	2.2%	125.000 g	Boil	20.000 min	Leaf	16.5
Chinook 2023 – Wet	2.2%	125.000 g	Boil	10.000 min	Leaf	9.9
Chinook 2023 – Wet	2.2%	125.000 g	Boil	5.000 min	Leaf	5.4
Azacca Cryo	21.0%	30.000 g	Dry Hop	7.000 day	Pellet	0.0
Galaxy	13.3%	30.000 g	Dry Hop	7.000 day	Pellet	0.0
Sabro	15.0%	30.000 g	Dry Hop	0.000 s	Pellet	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Boil	0.000 mL	0.000 s

Yeast

Name	Type	Form	Amount	Stage
Lallemande – Verdant IPA	Ale	Dry	0.00 mg	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	15.750 L	78.304 C	68.000 C	60 min
Batch Sparge 1	Batch Sparge	11.600 L	85.905 C	74.000 C	15 min

Up the Line – IPA

August 14, 202321 - IPA, 21A - American IPACraig Williams - Headbrewer

Recipe

Up the Line – American IPA (21A)

Brewer
Date	2023-08-12

Batch Size	19.000 L	Boil Size	22.100 L
Boil Time	60.000 min	Efficiency	75
OG	1.064 sg	FG	1.013 sg
ABV	7.0%	IBU	57.3 (Tinseth)
Color	7.7 srm (Morey)	Estimated calories (per 33 cl)	195

Fermentables

Name	Type	Amount	Mashed	Late	Yield	Color
Makers Malt – English	Grain	3.750 kg	Yes	No	82%	3.5 srm
Weyermann – Munich 2	Grain	1.500 kg	Yes	No	81%	9.0 srm
Oats, Malted	Grain	454.000 g	Yes	No	80%	1.0 srm
Wheat, Flaked	Grain	250.000 g	Yes	No	77%	2.0 srm
Total	—	5.954 kg	—	—	—	—

Hops

Name	Alpha	Amount	Use	Time	Form	IBU
Cascade 2022 – Wet	1.0%	500.000 g	Mash	60.000 min	Leaf	0.0
Cascade 2022 – Wet	1.0%	200.000 g	Boil	60.000 min	Leaf	19.4
Chinook – Wet 2022	2.2%	100.000 g	Boil	60.000 min	Leaf	20.9
Cascade 2022 – Wet	1.0%	150.000 g	Boil	20.000 min	Leaf	8.8
Cascade 2022 – Wet	1.0%	150.000 g	Boil	10.000 min	Leaf	5.3
Cascade 2022 – Wet	1.0%	150.000 g	Boil	5.000 min	Leaf	2.9
Cascade 2022 – Wet	1.0%	500.000 g	Dry Hop	7.000 day	Leaf	0.0
Chinook – Wet 2022	2.2%	400.000 g	Dry Hop	7.000 day	Leaf	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Boil	2.200 g	0.000 s

Yeast

Name	Type	Form	Amount	Stage
Lallemand – Voss Kveik	Ale	Dry	0.00 mg	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	17.862 L	77.842 C	68.000 C	60 min
Batch Sparge 1	Batch Sparge	11.192 L	87.748 C	74.000 C	15 min

Scavenger – 2021

August 5, 202121 - IPA, 21A - American IPACraig Williams - Headbrewer

Batch Size	19.000 L	Boil Size	22.100 L
Boil Time	60.000 min	Efficiency	75%
OG	1.058	FG	1.011
ABV	6.1%	IBU	40.4 (Tinseth)
Color	7.4 srm (Morey)	Calories (per 12 oz.)	191

Fermentables

Total grain: 5.500 kg
Name	Type	Amount	Mashed	Late	Yield	Color
Gambrinus – ESB Malt	Grain	4.000 kg	Yes	No	80%	3.5 srm
Weyermann – Munich 2	Grain	1.250 kg	Yes	No	81%	9.0 srm
Wheat, Flaked	Grain	250.000 g	Yes	No	77%	2.0 srm

Hops

Name	Alpha	Amount	Use	Time	Form	IBU
Cascade – Wet	1.0%	50.000 g	Boil	60.000 min	Pellet	5.1
Chinook – Wet	2.2%	50.000 g	Boil	60.000 min	Leaf	9.9
Cascade – Wet	1.0%	75.000 g	Boil	20.000 min	Leaf	4.2
Chinook – Wet	2.2%	75.000 g	Boil	20.000 min	Leaf	9.0
Cascade – Wet	1.0%	75.000 g	Boil	10.000 min	Leaf	2.5
Chinook – Wet	2.2%	75.000 g	Boil	10.000 min	Leaf	5.4
Cascade – Wet	1.0%	75.000 g	Boil	5.000 min	Leaf	1.4
Chinook – Wet	2.2%	75.000 g	Boil	5.000 min	Leaf	3.0
Cascade – Wet	1.0%	200.000 g	Dry Hop	7.000 day	Leaf	0.0
Chinook – Wet	2.2%	200.000 g	Dry Hop	7.000 day	Leaf	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Boil	0.000 mL	15.000 min

Yeast

Name	Type	Form	Amount	Stage
WLP603 – Torulaspora delbrueckii	Ale	Liquid	0.000 mL	Primary
WLP520 – Sigmund Kveik Ale	Ale	Liquid	0.000 mL	Primary
Escarpment Labs – Laerdal Kveik	Ale	Liquid	35.000 mL	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	16.500 L	78.127 C	68.000 C	60.000 min
Final Batch Sparge	Infusion	12.100 L	86.618 C	74.000 C	15.000 min

Go West 2020

December 2, 202021 - IPA, 21A - American IPACraig Williams - Headbrewer

Batch Size	19.000 L	Boil Size	22.100 L
Boil Time	60.000 min	Efficiency	75%
OG	1.063	FG	1.015
ABV	6.2%	IBU	42.3 (Tinseth)
Color	8.7 srm (Morey)	Calories (per 12 oz.)	208

Fermentables

Total grain: 5.750 kg
Name	Type	Amount	Mashed	Late	Yield	Color
Barn Owl – Pale Ale	Grain	3.000 kg	Yes	No	81%	3.3 srm
Weyermann – Munich 2	Grain	1.000 kg	Yes	No	81%	9.0 srm
Weyermann – Rye Malt	Grain	1.000 kg	Yes	No	85%	3.6 srm
Gambrinus – Honey Malt	Grain	500.000 g	Yes	No	80%	20.0 srm
Wheat, Flaked	Grain	250.000 g	Yes	No	77%	2.0 srm

Hops

Name	Alpha	Amount	Use	Time	Form	IBU
Summit	15.8%	15.000 g	Boil	60.000 min	Pellet	23.2
Summit	15.8%	25.000 g	Boil	15.000 min	Pellet	19.2
El Dorado	15.0%	45.000 g	Aroma	15.000 min	Pellet	0.0
Rakau	12.3%	45.000 g	Aroma	15.000 min	Pellet	0.0
Sorachi Ace	10.0%	45.000 g	Aroma	15.000 min	Pellet	0.0
El Dorado	15.0%	10.000 g	Dry Hop	3.000 day	Pellet	0.0
Rakau	12.3%	10.000 g	Dry Hop	3.000 day	Pellet	0.0
Sorachi Ace	10.0%	10.000 g	Dry Hop	3.000 day	Pellet	0.0

Misc

Name	Type	Use	Amount	Time
Whirlfloc	Fining	Boil	0.000 mL	15.000 min

Yeast

Name	Type	Form	Amount	Stage
WLP006 – Bedford British	Ale	Liquid	35.000 mL	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	17.250 L	74.400 C	68.000 C	60.000 min
Final Batch Sparge	Infusion	11.600 L	85.797 C	74.000 C	15.000 min

Pink IPA

July 20, 202021 - IPA, 21A - American IPACraig Williams - Headbrewer

Batch Size	19.000 L	Boil Size	22.000 L
Boil Time	60.000 min	Efficiency	75%
OG	1.054	FG	1.013
ABV	0.0%	IBU	51.3 (Tinseth)
Color	9.4 srm (Morey)	Calories (per 12 oz.)	198

Fermentables

Total grain: 5.000 kg
Name	Type	Amount	Mashed	Late	Yield	Color
Barn Owl – Pale Ale	Grain	3.000 kg	Yes	No	81%	3.3 srm
Honey Malt	Grain	1.000 kg	Yes	No	80%	25.0 srm
Barley, Flaked	Grain	500.000 g	Yes	No	70%	2.0 srm
Wheat, Flaked	Grain	500.000 g	Yes	No	77%	2.0 srm

Hops

Name	Alpha	Amount	Use	Time	Form	IBU
Falconer’s Flight	10.8%	30.000 g	Boil	60.000 min	Pellet	34.3
Falconer’s Flight	10.8%	30.000 g	Boil	15.000 min	Pellet	17.0
Falconer’s Flight	10.8%	60.000 g	Aroma	0.000 s	Pellet	0.0
Falconer’s Flight	10.8%	60.000 g	Dry Hop	0.000 s	Pellet	0.0

Misc

Name	Type	Use	Amount	Time
Hibiscus Flowers	Herb	Boil	25.000 g	15.000 min
Whirlfloc	Fining	Boil	0.000 mL	0.000 s

Yeast

Name	Type	Form	Amount	Stage
WLP006 – Bedford British	Ale	Liquid	35.000 mL	Primary

Mash

Name	Type	Amount	Temp	Target Temp	Time
strike	Infusion	15.000 L	74.400 C	68.000 C	60.000 min
Final Batch Sparge	Infusion	13.000 L	83.154 C	74.000 C	15.000 min