2026-01-04 There is a unique ritual to making pour over coffee. It’s a slow, deliberate process that feels less like a morning chore and more like a quiet moment of meditation. You measure the beans, heat the water to the precise degree, and wet the filter. But even with the most expensive beans and the fanciest gear, your brew can still taste flat, sour, or unpleasantly bitter if you get one crucial variable wrong: the grind size.