CalypsovsCrystal

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

Calypso

Dual purpose

Alpha acid

12–16%

Beta acid

5–6%

Total oil

1.5–2.5 mL

United States

Crystal

Aroma

Alpha acid

2.8–6%

Beta acid

4.5–8.5%

Total oil

0.8–2.3 mL

United States

Key differences

When to pick Calypso

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Versatile - works for both bittering and aroma

When to pick Crystal

  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping

Aroma profile and use

Shared aromas

Fruity

Only in Calypso

ApplePearStone fruitLimeCitrusPeach

Only in Crystal

WoodyFloralGreenSpicyCinnamonNutmegBlack currant

Property

PropertyCalypsoCrystal
Alpha acid12–16%2.8–6%
Beta acid5–6%4.5–8.5%
Co-humulone38–42%20–26%
Total oil1.5–2.5 mL0.8–2.3 mL
Myrcene30–45%30–55%
Humulene20–35%20–30%
Caryophyllene9–15%5–12%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeDual purposeAroma

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