CTZ
Alpha acid
14.5–17%
Beta acid
4.5–5.5%
Total oil
2.5–4.5 mL
United States
Gaia
Alpha acid
12–15%
Beta acid
5–10%
Total oil
1.5–2.5 mL
Czech Republic
Key differences
When to pick CTZ
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- More myrcene - pronounced citrus and resinous notes
- Versatile - works for both bittering and aroma
- Richer, more complex aroma profile
When to pick Gaia
- Higher beta acid - smoother, longer-lasting bitterness
- Bittering workhorse - efficient in the mash
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in CTZ
Black currantLicoriceCurryCitrusCannabisDank
Only in Gaia
HoppySpicy
Property
| Property | CTZ | Gaia |
|---|---|---|
| Alpha acid | 14.5–17% | 12–15% |
| Beta acid | 4.5–5.5% | 5–10% |
| Co-humulone | 28–35% | 20–29% |
| Total oil | 2.5–4.5 mL | 1.5–2.5 mL |
| Myrcene | 45–55% | 23–37% |
| Humulene | 9–14% | 2–4% |
| Caryophyllene | 6–10% | 9–12% |
| Farnesene | 0–1% | 5–7% |
| Origin | United States | Czech Republic |
| Purpose | Dual purpose | Bittering |