EclipsevsUltra

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

Eclipse

Dual purpose

Alpha acid

15.7–19%

Beta acid

5.9–9%

Total oil

1.8–2.7 mL

Australia

Ultra

Aroma

Alpha acid

3–9.7%

Beta acid

3.6–5%

Total oil

0.8–1.5 mL

United States

Key differences

When to pick Eclipse

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • Versatile - works for both bittering and aroma

When to pick Ultra

  • 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 Eclipse

CitrusPineMandarin

Only in Ultra

MildPleasantFloral

Property

PropertyEclipseUltra
Alpha acid15.7–19%3–9.7%
Beta acid5.9–9%3.6–5%
Co-humulone33–37%25–35%
Total oil1.8–2.7 mL0.8–1.5 mL
Myrcene35–49%50–60%
Humulene0–2%10–15%
Caryophyllene6–12%6–9%
Farnesene0–1%0–1%
OriginAustraliaUnited States
PurposeDual purposeAroma

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