Glacier
Alpha acid
3.3–9.7%
Beta acid
5.4–10%
Total oil
0.5–1.5 mL
United States
Admiral
Alpha acid
13–16.2%
Beta acid
4.8–6.1%
Total oil
1–1.7 mL
United Kingdom
Key differences
When to pick Glacier
- Higher beta acid - smoother, longer-lasting bitterness
- Versatile - works for both bittering and aroma
When to pick Admiral
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Bittering workhorse - efficient in the mash
- Richer, more complex aroma profile
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Glacier
PlumBlackberryWoodyCedar
Only in Admiral
OrangeTeaFreshPineCitrusResinHerbal
Property
| Property | Glacier | Admiral |
|---|---|---|
| Alpha acid | 3.3–9.7% | 13–16.2% |
| Beta acid | 5.4–10% | 4.8–6.1% |
| Co-humulone | 11–16% | 37–45% |
| Total oil | 0.5–1.5 mL | 1–1.7 mL |
| Myrcene | 35–45% | 39–48% |
| Humulene | 25–35% | 23–26% |
| Caryophyllene | 8–13% | 6–8% |
| Farnesene | 0–1% | 0–2% |
| Origin | United States | United Kingdom |
| Purpose | Dual purpose | Bittering |