AltusvsGaia

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

Altus

Aroma

Alpha acid

15–18.5%

Beta acid

4–5.2%

Total oil

3–4.4 mL

United States

Gaia

Bittering

Alpha acid

12–15%

Beta acid

5–10%

Total oil

1.5–2.5 mL

Czech Republic

Key differences

When to pick Altus

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

When to pick Gaia

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

Aroma profile and use

Shared aromas

Spicy

Only in Altus

ResinTangerine

Only in Gaia

Hoppy

Property

PropertyAltusGaia
Alpha acid15–18.5%12–15%
Beta acid4–5.2%5–10%
Co-humulone26–29%20–29%
Total oil3–4.4 mL1.5–2.5 mL
Myrcene-23–37%
Humulene-2–4%
Caryophyllene-9–12%
Farnesene-5–7%
OriginUnited StatesCzech Republic
PurposeAromaBittering

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