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What Is TDS in Coffee Roasting?

Writer: Kühne Kaffee
Kühne Kaffee
Aug 10
1 min read

Definition

Total Dissolved Solids is the percentage of dissolved material in a coffee beverage as estimated by a calibrated refractometer.

Why it matters

This measure connects roast decisions to how the coffee tastes and behaves in brewing.

How it is measured or recognized

Use a documented method, calibrated equipment where relevant and controlled comparison samples.

Roasting tip

Treat numbers as diagnostic evidence, not flavor scores, and confirm conclusions through sensory evaluation.

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