GaiavsAltus

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

Gaia

Bittering

Alpha acid

12–15%

Beta acid

5–10%

Total oil

1.5–2.5 mL

Czech Republic

Altus

Aroma

Alpha acid

15–18.5%

Beta acid

4–5.2%

Total oil

3–4.4 mL

United States

Key differences

When to pick Gaia

  • Higher beta acid - smoother, longer-lasting bitterness
  • Bittering workhorse - efficient in the mash

When to pick Altus

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Aroma-focused - ideal for dry hopping

Aroma profile and use

Shared aromas

Spicy

Only in Gaia

Hoppy

Only in Altus

ResinTangerine

Property

PropertyGaiaAltus
Alpha acid12–15%15–18.5%
Beta acid5–10%4–5.2%
Co-humulone20–29%26–29%
Total oil1.5–2.5 mL3–4.4 mL
Myrcene23–37%-
Humulene2–4%-
Caryophyllene9–12%-
Farnesene5–7%-
OriginCzech RepublicUnited States
PurposeBitteringAroma

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