GlaciervsSpalt

Glacier (dual purpose) and Spalt (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

Spalt

Aroma

Alpha acid

2.5–5.7%

Beta acid

3–5%

Total oil

0.5–0.9 mL

Germany

Key differences

When to pick Glacier

  • 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
  • Versatile - works for both bittering and aroma

When to pick Spalt

  • Aroma-focused - ideal for dry hopping

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Glacier

PlumBlackberryWoodyCedar

Only in Spalt

NobleEarthyHerbalFloral

Property

PropertyGlacierSpalt
Alpha acid3.3–9.7%2.5–5.7%
Beta acid5.4–10%3–5%
Co-humulone11–16%22–29%
Total oil0.5–1.5 mL0.5–0.9 mL
Myrcene35–45%20–35%
Humulene25–35%20–30%
Caryophyllene8–13%8–13%
Farnesene0–1%12–18%
OriginUnited StatesGermany
PurposeDual purposeAroma

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