If a roaster expects a specific roast loss percentage (e.g., 14.5%) and obtains a different result (e.g., 15%), this deviation should serve as a red flag that something went wrong in the roasting process.

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Evidence Quote

If you're expecting 14.5% roast loss and you get 15%, that should be a red flag that things haven't gone as expected.

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Coffee Roasting ExplainedJames Hoffmann
Created: 8/13/2026, 9:53:30 AM

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