Spalter SelectvsCalypso

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

Spalter Select

Aroma

Alpha acid

3–6.5%

Beta acid

2.5–5%

Total oil

0.5–0.9 mL

Germany

Calypso

Dual purpose

Alpha acid

12–16%

Beta acid

5–6%

Total oil

1.5–2.5 mL

United States

Key differences

When to pick Spalter Select

  • Aroma-focused - ideal for dry hopping

When to pick Calypso

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • 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 Spalter Select

SpicyGrassy

Only in Calypso

FruityApplePearStone fruitLimeCitrusPeach

Property

PropertySpalter SelectCalypso
Alpha acid3–6.5%12–16%
Beta acid2.5–5%5–6%
Co-humulone21–27%38–42%
Total oil0.5–0.9 mL1.5–2.5 mL
Myrcene20–40%30–45%
Humulene10–22%20–35%
Caryophyllene4–10%9–15%
Farnesene15–22%0–1%
OriginGermanyUnited States
PurposeAromaDual purpose

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