How To Grind Coffee Beans: 9 Methods (With Without A .
WEBBatch 1: mediumfine grind. Batch 2: 50% medium grind, 50% fine grind. Batch 1 has grinds all of the same size, so we know the contact time for a great cup of coffee: 2 minutes with my Aeropress, including both bloom and plunging. Batch 2 has grinds of 2 different sizes, each of which has a different optimal contact time: