HydravsHallertau Blanc

Hydra (dual purpose) and Hallertau Blanc (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Hydra

Dual purpose

Alpha acid

10.5–13.7%

Beta acid

6.4–7.9%

Total oil

-

United States

Hallertau Blanc

Aroma

Alpha acid

9–12%

Beta acid

4–7%

Total oil

0.8–2.2 mL

Germany

Key differences

When to pick Hydra

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness
  • Versatile - works for both bittering and aroma
  • Richer, more complex aroma profile

When to pick Hallertau Blanc

  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Hydra

CitrusTangerineMandarinZestResinLimeBerryPeachWatermelonRoseApricotTropical

Only in Hallertau Blanc

PineappleGooseberryWhiteGrapesLemongrassPassion fruitCleanSauvignon

Property

PropertyHydraHallertau Blanc
Alpha acid10.5–13.7%9–12%
Beta acid6.4–7.9%4–7%
Co-humulone27–28%22–35%
Total oil-0.8–2.2 mL
Myrcene54–55%50–75%
Humulene11–12%0–3%
Caryophyllene8–9%0–2%
Farnesene0–1%0–1%
OriginUnited StatesGermany
PurposeDual purposeAroma

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