Bed depth and flow stability
How the depth of the coffee bed in filter brewing impacts flow stability, extraction balance, and flavor outcome.
Cup quality
Extraction yield and beverage strength
How the amount of coffee extracted relates to the final beverage strength and flavor.
Oil on beans and degradation
Understand why oils appear on roasted coffee beans and how this relates to bean degradation and roast quality.
Uneven color and heat application
Learn how uneven roasting occurs and strategies to achieve uniform color across a batch.
Quakers: identification and removal
Understand how to spot quakers in roasted coffee and best practices for removing them to protect cup quality.
Probes: placement, lag, calibration
Understand the critical role of temperature probes in tracking bean and environmental temperatures, ensuring accurate roast profiles and repeatable results.