Input lever
Brewer & Filter Setup
Wheel face
Upright / inverted orientation
Whether the AeroPress is brewed upright or inverted.
AeroPress Wheel Variable
Seal quality
Brewer & Filter Setup · Input lever
How well the plunger and chamber seal together.
Input lever
Brewer & Filter Setup
Wheel face
AeroPress-specific
Manufacturer guidance
Inferred
Definition
Seal quality is the effectiveness of the brewer seal before and during pressing.
Why It Matters
A poor seal creates leakage and inconsistent pressure even when the rest of the recipe is unchanged.
Page Context
Seal quality is part of the Brew Supply AeroPress Wheel and helps brewers describe how well the plunger and chamber seal together.
Related variables
Input lever
Brewer & Filter Setup
Detail panel
Chamber fill level
How full the chamber is during brewing.
Input lever
Brewer & Filter Setup
Detail panel
Plunger insertion depth
How far the plunger is inserted before brewing.
Input lever
Brewer & Filter Setup
Wheel face
Air gap
The volume of trapped air in the brewer.
Input lever
Brewer & Filter Setup
Detail panel
Air expulsion
Deliberately pushing out excess air before pressing.
Input lever
Brewer & Filter Setup
Wheel face
Cap type
The cap used on the AeroPress.
Affected outcomes
Measured metric
Cup Outcome
Wheel face
Beverage TDS
Measured total dissolved solids in the served beverage.
Calculated metric
Cup Outcome
Wheel face
Extraction Yield
Calculated percentage of coffee mass extracted.
Measured metric
Cup Outcome
Wheel face
Beverage Yield
The liquid beverage mass collected or served.
Cup outcome
Cup Outcome
Wheel face
Aroma
The smell of the brewed coffee.