Forum Coffee Roasting

Can small exhaust restriction from chaff buildup quietly change cup quality that much?

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I cleaned one exhaust path that was only slightly restricted by chaff, and the next batches tasted more open than I expected. Since then I wonder how many roast problems are actually maintenance problems wearing a flavor mask. Have you seen small restriction change the cup this much?

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Yes. People wait for obvious smoke issue, but cup can move before that.

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Agree, slow drift is the killer. Sudden failure is easier to catch than gradual restriction.

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I had similar case on small roaster. No big warning sign, but after cleaning the roast felt more stable and finish less dirty.

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Air path changes slowly, that is why operator adapts without noticing.

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The dangerous part is we call it green problem first.

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Maintenance never feels sexy, but cup keeps telling the truth.

Can small exhaust restriction from chaff buildup quietly change cup quality that much?

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