Calypso
Alpha acid
12–16%
Beta acid
5–6%
Total oil
1.5–2.5 mL
United States
Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 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 Ahtanum
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
Aroma profile and use
Shared aromas
Citrus
Only in Calypso
FruityApplePearStone fruitLimePeach
Only in Ahtanum
GrapefruitGeraniumPineEarthyFloralCedarLemon
Property
| Property | Calypso | Ahtanum |
|---|---|---|
| Alpha acid | 12–16% | 3.5–6.5% |
| Beta acid | 5–6% | 4–6.5% |
| Co-humulone | 38–42% | 30–35% |
| Total oil | 1.5–2.5 mL | 0.5–1.7 mL |
| Myrcene | 30–45% | 45–55% |
| Humulene | 20–35% | 15–22% |
| Caryophyllene | 9–15% | 9–12% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Dual purpose | Aroma |