CrystalvsHydra

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

Crystal

Aroma

Alpha acid

2.8–6%

Beta acid

4.5–8.5%

Total oil

0.8–2.3 mL

United States

Hydra

Dual purpose

Alpha acid

10.5–13.7%

Beta acid

6.4–7.9%

Total oil

-

United States

Key differences

When to pick Crystal

  • Aroma-focused - ideal for dry hopping

When to pick Hydra

  • Higher alpha acid - stronger bittering
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma
  • Richer, more complex aroma profile

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Crystal

WoodyFloralGreenFruitySpicyCinnamonNutmegBlack currant

Only in Hydra

CitrusTangerineMandarinZestResinLimeBerryPeachWatermelonRoseApricotTropical

Property

PropertyCrystalHydra
Alpha acid2.8–6%10.5–13.7%
Beta acid4.5–8.5%6.4–7.9%
Co-humulone20–26%27–28%
Total oil0.8–2.3 mL-
Myrcene30–55%54–55%
Humulene20–30%11–12%
Caryophyllene5–12%8–9%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeAromaDual purpose

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