What size grind is ideal for French press? A medium-coarse to coarse grind is greatest. The bigger measurement prevents the grinds from slipping with the mesh filter. It is not that desirable. General, the P3 is visually less attractive than Espro’s more expensive models (or even than most Bodum products, https://holdenryfmr.wikigiogio.com/1367429/the_ultimate_guide_to_french_press