Southern TropicvsGlacier

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

Southern Tropic

Bittering

Alpha acid

12.6–18.1%

Beta acid

5–6.5%

Total oil

-

South Africa

Glacier

Dual purpose

Alpha acid

3.3–9.7%

Beta acid

5.4–10%

Total oil

0.5–1.5 mL

United States

Key differences

When to pick Southern Tropic

  • Higher alpha acid - stronger bittering
  • Bittering workhorse - efficient in the mash
  • Richer, more complex aroma profile

When to pick Glacier

  • Higher beta acid - smoother, longer-lasting bitterness
  • More myrcene - pronounced citrus and resinous notes
  • Versatile - works for both bittering and aroma

Aroma profile and use

No shared aromas - the varieties have divergent profiles.

Only in Southern Tropic

MelonTroicalGuavaButterscotchLemongrassCoconutPungentPineappleBubblegumCitrus

Only in Glacier

PlumBlackberryWoodyCedar

Property

PropertySouthern TropicGlacier
Alpha acid12.6–18.1%3.3–9.7%
Beta acid5–6.5%5.4–10%
Co-humulone26–30%11–16%
Total oil-0.5–1.5 mL
Myrcene19–46%35–45%
Humulene14–40%25–35%
Caryophyllene6–14%8–13%
Farnesene8–11%0–1%
OriginSouth AfricaUnited States
PurposeBitteringDual purpose

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