AhtanumvsMillennium

Ahtanum (aroma) and Millennium (bittering) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Ahtanum

Aroma

Alpha acid

3.5–6.5%

Beta acid

4–6.5%

Total oil

0.5–1.7 mL

United States

Millennium

Bittering

Alpha acid

14.5–18.5%

Beta acid

4.3–6.5%

Total oil

1.5–3 mL

United States

Key differences

When to pick Ahtanum

  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

When to pick Millennium

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Bittering workhorse - efficient in the mash

Aroma profile and use

Shared aromas

Floral

Only in Ahtanum

CitrusGrapefruitGeraniumPineEarthyCedarLemon

Only in Millennium

PearToffeeResinHerbal

Property

PropertyAhtanumMillennium
Alpha acid3.5–6.5%14.5–18.5%
Beta acid4–6.5%4.3–6.5%
Co-humulone30–35%28–35%
Total oil0.5–1.7 mL1.5–3 mL
Myrcene45–55%35–55%
Humulene15–22%15–25%
Caryophyllene9–12%8–10%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeAromaBittering

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