Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Eclipse
Alpha acid
15.7–19%
Beta acid
5.9–9%
Total oil
1.8–2.7 mL
Australia
Key differences
When to pick Ahtanum
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
- Richer, more complex aroma profile
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
Aroma profile and use
Shared aromas
CitrusPine
Only in Ahtanum
GrapefruitGeraniumEarthyFloralCedarLemon
Only in Eclipse
Mandarin
Property
| Property | Ahtanum | Eclipse |
|---|---|---|
| Alpha acid | 3.5–6.5% | 15.7–19% |
| Beta acid | 4–6.5% | 5.9–9% |
| Co-humulone | 30–35% | 33–37% |
| Total oil | 0.5–1.7 mL | 1.8–2.7 mL |
| Myrcene | 45–55% | 35–49% |
| Humulene | 15–22% | 0–2% |
| Caryophyllene | 9–12% | 6–12% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | Australia |
| Purpose | Aroma | Dual purpose |