GlaciervsAhtanum

Glacier (dual purpose) and Ahtanum (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Glacier

Dual purpose

Alpha acid

3.3–9.7%

Beta acid

5.4–10%

Total oil

0.5–1.5 mL

United States

Ahtanum

Aroma

Alpha acid

3.5–6.5%

Beta acid

4–6.5%

Total oil

0.5–1.7 mL

United States

Key differences

When to pick Glacier

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness
  • Versatile - works for both bittering and aroma

When to pick Ahtanum

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

Aroma profile and use

Shared aromas

Cedar

Only in Glacier

PlumBlackberryWoody

Only in Ahtanum

CitrusGrapefruitGeraniumPineEarthyFloralLemon

Property

PropertyGlacierAhtanum
Alpha acid3.3–9.7%3.5–6.5%
Beta acid5.4–10%4–6.5%
Co-humulone11–16%30–35%
Total oil0.5–1.5 mL0.5–1.7 mL
Myrcene35–45%45–55%
Humulene25–35%15–22%
Caryophyllene8–13%9–12%
Farnesene0–1%0–1%
OriginUnited StatesUnited States
PurposeDual purposeAroma

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