Filter paper properties and effects
How filter paper properties—thickness, porosity, material, and treatments—affect flow, clarity, and flavor in brewed coffee.
Coffee oils
Oxygen absorbers and indicators
How oxygen absorbers and indicators are used in coffee packaging to extend shelf life and provide quality assurance.
Light, oxygen, and heat control
How light, oxygen, and heat accelerate staling in roasted coffee, and best practices for controlling these factors in storage and packaging.
Cleaning and maintenance
How to properly clean and maintain home coffee brewing equipment to preserve flavor quality, extend lifespan, and ensure consistent results.
Maintenance: backflushing and gasket care
How backflushing and gasket maintenance keep espresso machines clean, efficient, and free from flavor contamination.
Cleaning between shots
How cleaning practices between espresso shots maintain flavor clarity, machine performance, and puck consistency.