Coffee Press Grind Size: What to Change Before You Change the Beans

Coffee press grind size: the National Coffee Association's French press guide says coarse, like rock salt. That is the start, and this video is how to move from it on purpose. Get a starting grind, ratio, dose, temperature and time for your own setup in the 60-second quiz: https://brewchart.com/quiz/ What is covered: the published grind for a press and the one-line reason behind it, why grind size is a speed control, the metal mesh and the sludge, the two tells in the cup (bitter or sour, flat or watery) and which way each one sends you, why one step at a time matters, burr and blade grinders and what to do if a blade grinder or the shop's grinder is what you have, what a UC Davis study of full immersion brewing found about grind size, and a one-week routine for finding your own setting. Sources named in the video: National Coffee Association, French press coffee brewing guide (aboutcoffee.org). Liang, Chan and Ristenpart, University of California, Davis: An equilibrium desorption model for the strength and extraction yield of full immersion brewed coffee, Scientific Reports, 2021. 00:00 Where to start, and why it moves 01:20 Coarse, like rock salt 02:01 Grind size is a speed control 02:32 Read the cup, move one step 03:05 Burr, blade, or ground at the shop 03:54 What a lab found about grind in a press 04:48 A one-week routine 05:22 The short version More brewing help: https://brewchart.com/