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In this episode, I walk through a water chemistry experiment I ran on a light roast Kenyan coffee I roasted myself. For a long time, I've been playing this game of trying to coax sweetness out of light roast by pulling every lever available. I've swapped brewers, played with paper filters, dialed down temperature, and manipulated water chemistry. This time, I took it further. I tested three water profiles side by side on the same coffee: distilled, acidic, and a sweet-profile build. The distilled version was flat and unremarkable. The acidic version was lively, expressive, and the one I couldn't stop going back to. The sweet profile worked almost too well. Chocolatey, sweet, and completely stripped of everything that made the coffee interesting. The acidity was gone. The personality was gone. I realized I'd gone too far, and that realization opened up a bigger question about what we're actually doing when we manipulate coffee.
The deeper conversation in this episode is about losing sight of the coffee itself in the middle of all the tools, gear, and variables we use. I'm talking about the moment when the experimentation stops being in service of the coffee and starts being about winning an argument with it. By listening to this episode, you'll hear how one experiment shifted the way I think about light roast and why I'm starting to believe the acidity was never the problem to fix. You'll also come away with a genuine question to sit with the next time you brew: are you working with the coffee, or are you trying to change what it fundamentally is?
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