Cold drip towers and flow control
How cold drip towers work, the role of flow control in extraction, and how they differ from immersion cold brew methods.
Ratio coffee
Cupping-style brews for evaluation
How cupping-style immersion brews are used to evaluate coffee quality, consistency, and defects in a standardized way.
Clever Dripper steep-and-release
How the Clever Dripper combines immersion and percolation for an easy, forgiving brew method with balanced flavor.
Troubleshooting bitterness and sourness
How to diagnose and correct the most common off-flavors in filter coffee: bitterness and sourness.
Recipe scaling and consistency
How to scale filter brewing recipes up or down while maintaining flavor balance and consistency across different batch sizes.
Brew ratio and dose/yield math
How to calculate and adjust brew ratios, dose, and yield to achieve consistent extraction and desired cup strength.