Choose the strongest first adjustment for a fast, sour, low-TDS pour-over.
The first brew ran fast, tasted sharp, and measured low TDS. The recipe is 18 g coffee to 288 g water at 93 C. Drawdown was 2:05, TDS was 1.09 percent, and the cup tastes lemony and hollow. What should Nina change first? Grind a little finer while keeping ratio and water temperature fixed. Strong move. The fast time, sharp taste, and low TDS all point toward low extraction. A modest finer grind raises surface area and slows flow without confusing the test. Add much more coffee while leaving the grind alone. This may raise strength, but it can create…
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