Brewing Methods

Flat-Bottom Drippers

Understand flat beds, wave filters and multiple drain holes.

By Julian R. NorthcottUpdated July 2026

Flat-bottom drippers spread coffee across a wider bed and can be forgiving when pours are even. Their flow differs from cone brewers.

What to evaluate

Keep the decision connected to the actual coffee, brewer and serving goal.

  • Use the designed filter
  • Keep the bed level
  • Do not crush wave filters
  • Match pour rate to drainage

A repeatable workflow

Use one baseline, then change only what the evidence supports.

  1. Start medium-fine
  2. Bloom gently
  3. Use centered pours
  4. Record drawdown

Common mistakes

These errors make comparisons unreliable or create avoidable problems.

  • Collapsing filter waves
  • Copying cone settings
  • Overfilling a small brewer
  • Using cone visual cues
Geometry changes flow, so recipe transfer needs a new baseline.