CTZvsOpal

CTZ and Opal are popular dual purpose hops. Below you'll find a comparison of alpha and beta acids, aroma profiles and oil composition.

CTZ

Dual purpose

Alpha acid

14.5–17%

Beta acid

4.5–5.5%

Total oil

2.5–4.5 mL

United States

Opal

Dual purpose

Alpha acid

5–14%

Beta acid

3.5–5.5%

Total oil

0.8–1.3 mL

Germany

Key differences

When to pick CTZ

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • More myrcene - pronounced citrus and resinous notes

When to pick Opal

No clear differences - both varieties have a similar profile. Choose based on availability or country of origin.

Aroma profile and use

Shared aromas

Black currantCitrus

Only in CTZ

LicoriceCurryCannabisDank

Only in Opal

SpicyFloralHerbalAnise

Property

PropertyCTZOpal
Alpha acid14.5–17%5–14%
Beta acid4.5–5.5%3.5–5.5%
Co-humulone28–35%13–34%
Total oil2.5–4.5 mL0.8–1.3 mL
Myrcene45–55%20–45%
Humulene9–14%30–50%
Caryophyllene6–10%8–15%
Farnesene0–1%0–1%
OriginUnited StatesGermany
PurposeDual purposeDual purpose

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