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18B American Pale Ale

Dusty Zombies III

Brewed 2024-11-09 Batch · 23 L Matt Paterson

Grain bill

Gladfield Ale Malt 4.7 kg 71.2%
Gladfield Vienna Malt 1.9 kg 28.8%

Adjuncts

Yeast nutrient 2 g @ 10 min
Whirlfloc 1 g @ 10 min

Hop schedule

Hop 60 min30 min10 minWPDH#1
Citra 20g30g40g20g165g

Yeast

LalBrew Pomona2 packets

Water additions

Calcium Chloride 2 g
Magnesium Sulfate 8 g

Tasting notes

2024-11-23

Solid Citra profile and clean finish after pressure-conditioned fermentation.

Fermentation profile

RAPT Pill·1,306 readings over 13d 14h·

Gravity

1.063OG
1.009FG
86%Attenuation
11d 8hTo terminal

Temperature

20.4°CPeak
16.5°CMean
2.9°CMin
17.5°CRange
TimeGravityTemp

About This Beer

V3 of the Dusty Zombies series — continued return to single-hop Citra. Matt’s all-Citra direction from V2 (May 2024) holds; the Ale + Vienna grain bill carries forward unchanged from the original Zombie Dust clone. The notable change this batch: first use of LalBrew Pomona in the Dusty Zombies series, in place of Verdant IPA.

Pomona is a Lallemand IPA-focused strain known for biotransformation of thiol precursors — the front-of-mind reason Matt picked it for this Citra-heavy build. The dry hop is added during active fermentation at the ~1.020 gravity trigger, which is one of two conditions Matt finds Pomona thrives at for thiol release (the other being large whirlpool additions held cold and long, e.g. 75 °C for 20–40 min).

Grain Bill

A two-malt grist: Gladfield Ale Malt (71.2%) for clean, fermentable base character and Gladfield Vienna (28.8%) for warmth and malt support. Simple and predictable — the grain bill is designed to get out of the hop’s way.

Hops

All Citra, 320 g total:

  • Boil: 20 g at 60 min, 30 g at 30 min, 40 g at 10 min
  • Whirlpool: 25 g at 10 min, 20 g at flameout
  • Dry hop: 165 g at day 5 (~1.020)

Citra’s tropical fruit, grapefruit, and lime character comes through cleanly in a single-hop format.

Fermentation

LalBrew Pomona at 18°C, stepped to 20°C for the rest phase. Dry hop triggered at day 5 when gravity was around 1.020, with spunding valve closed after addition to capture CO₂. Pressure built to approximately 24 psi by day 11. Cooled to 3°C on day 12.

Packaging & Tasting

Mixed packaging on day 14, carbonated to 2.4 vol CO₂. Tasted at packaging: solid Citra profile and clean finish — another consistent result from this recipe.

Lineage