GlaciervsSouthern Tropic
Glacier (dual purpose) and Southern Tropic (bittering) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Glacier
Alpha acid
3.3–9.7%
Beta acid
5.4–10%
Total oil
0.5–1.5 mL
United States
Southern Tropic
Alpha acid
12.6–18.1%
Beta acid
5–6.5%
Total oil
-
South Africa
Key differences
When to pick Glacier
- Higher beta acid - smoother, longer-lasting bitterness
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
When to pick Southern Tropic
- Higher alpha acid - stronger bittering
- 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 Southern Tropic
MelonTroicalGuavaButterscotchLemongrassCoconutPungentPineappleBubblegumCitrus
Property
| Property | Glacier | Southern Tropic |
|---|---|---|
| Alpha acid | 3.3–9.7% | 12.6–18.1% |
| Beta acid | 5.4–10% | 5–6.5% |
| Co-humulone | 11–16% | 26–30% |
| Total oil | 0.5–1.5 mL | - |
| Myrcene | 35–45% | 19–46% |
| Humulene | 25–35% | 14–40% |
| Caryophyllene | 8–13% | 6–14% |
| Farnesene | 0–1% | 8–11% |
| Origin | United States | South Africa |
| Purpose | Dual purpose | Bittering |