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18B American Pale Ale

Dusty Zombies III

Brewed 2024-11-09 Batch · 23 L Matt Paterson
ABV7.0% OG1.063 FG1.010

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·OG and FG as measured·

Gravity

1.063OG
1.010FG
84%Attenuation
4d 4hTo terminal

Temperature

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

About This Beer

V3 of the Dusty Zombies series, continuing the all-Citra direction from V2. The Ale and Vienna grain bill carries forward unchanged from the original Zombie Dust clone, designed to get out of the hop’s way.

The change this batch is the first use of LalBrew Pomona in the series, in place of Verdant.

Pomona is an IPA-focused strain known for biotransformation of thiol precursors, which is the reason to pick it for a Citra-heavy build. The dry hop goes in during active fermentation on a gravity trigger, which is one of the two conditions this strain thrives at for thiol release. The other is a large whirlpool addition held cold and long, 75°C for 20 to 40 minutes.

All Citra, across boil, whirlpool and a heavy day-5 dry hop. Its tropical fruit, grapefruit and lime come through cleanly on their own.

Fermentation

Pomona at 18°C, stepped to 20°C for the rest. Dry hop at day 5 on the gravity trigger, spunding valve closed after the addition to capture CO2. Pressure built to around 24 psi by day 11, then cooled to 3°C on day 12.

Packaging and tasting

Mixed packaging on day 14, carbonated to 2.4 volumes.

Tasted at packaging: solid Citra profile and a clean finish. Another consistent result from this recipe.

Lineage