BRU-1
Alpha acid
13–15%
Beta acid
8–10%
Total oil
1.5–2 mL
United States
Cluster
Alpha acid
5.5–9%
Beta acid
4.5–6%
Total oil
0.4–1 mL
United States
Key differences
When to pick BRU-1
- 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
- Aroma-focused - ideal for dry hopping
When to pick Cluster
- Versatile - works for both bittering and aroma
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in BRU-1
PineappleGreenFruity
Only in Cluster
FloralEarthySweet
Property
| Property | BRU-1 | Cluster |
|---|---|---|
| Alpha acid | 13–15% | 5.5–9% |
| Beta acid | 8–10% | 4.5–6% |
| Co-humulone | 35–37% | 33–43% |
| Total oil | 1.5–2 mL | 0.4–1 mL |
| Myrcene | 50–55% | 38–46% |
| Humulene | 7–8% | 15–20% |
| Caryophyllene | 9–11% | 8–10% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Aroma | Dual purpose |