Magnum (GR)vsIdaho 7

Magnum (GR) (bittering) and Idaho 7 (aroma) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Magnum (GR)

Bittering

Alpha acid

11–16%

Beta acid

4.5–7%

Total oil

1.6–2.6 mL

Germany

Idaho 7

Aroma

Alpha acid

9.5–14.9%

Beta acid

3.5–5%

Total oil

1–2 mL

United States

Key differences

When to pick Magnum (GR)

  • Higher alpha acid - stronger bittering
  • More essential oils - more intense aroma
  • Higher beta acid - smoother, longer-lasting bitterness
  • Bittering workhorse - efficient in the mash

When to pick Idaho 7

  • More myrcene - pronounced citrus and resinous notes
  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

Aroma profile and use

Shared aromas

Black currantCitrusFloral

Only in Magnum (GR)

AppleCleanCleanFruity

Only in Idaho 7

TropicalApricotOrangeGrapefruitPapayaResinPineEarthy

Property

PropertyMagnum (GR)Idaho 7
Alpha acid11–16%9.5–14.9%
Beta acid4.5–7%3.5–5%
Co-humulone21–29%30–40%
Total oil1.6–2.6 mL1–2 mL
Myrcene30–45%45–55%
Humulene30–45%10–20%
Caryophyllene8–12%6–10%
Farnesene0–1%0–1%
OriginGermanyUnited States
PurposeBitteringAroma

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