MillenniumvsSpalt
Millennium (bittering) and Spalt (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.
Millennium
Alpha acid
14.5–18.5%
Beta acid
4.3–6.5%
Total oil
1.5–3 mL
United States
Spalt
Alpha acid
2.5–5.7%
Beta acid
3–5%
Total oil
0.5–0.9 mL
Germany
Key differences
When to pick Millennium
- 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
- Bittering workhorse - efficient in the mash
When to pick Spalt
- Aroma-focused - ideal for dry hopping
Aroma profile and use
Shared aromas
FloralHerbal
Only in Millennium
PearToffeeResin
Only in Spalt
NobleEarthy
Property
| Property | Millennium | Spalt |
|---|---|---|
| Alpha acid | 14.5–18.5% | 2.5–5.7% |
| Beta acid | 4.3–6.5% | 3–5% |
| Co-humulone | 28–35% | 22–29% |
| Total oil | 1.5–3 mL | 0.5–0.9 mL |
| Myrcene | 35–55% | 20–35% |
| Humulene | 15–25% | 20–30% |
| Caryophyllene | 8–10% | 8–13% |
| Farnesene | 0–1% | 12–18% |
| Origin | United States | Germany |
| Purpose | Bittering | Aroma |