Coffee Bloom Explained (2026): Exact Timing, Ratios, and How to Fix Flat Pour-Overs
You pour hot water onto fresh grounds and—whoosh—the bed swells like it’s breathing, releasing a fragrance that can smell like citrus zest, cocoa, or warm bread crust. That foamy “bloom” isn’t coffee being dramatic; it’s CO₂ leaving the party. Get the timing and ratio right and your pour-over stops tasting hollow and starts tasting like the bag promised.