Knock-box and portafilter hygiene: stop the stale smell

A packed knock box smells across the whole bar. Daily emptying and a weekly wash fix it in minutes.

Knock-box and portafilter hygiene: stop the stale smell

Daily at close

  1. Empty the knock box into organic waste or the dedicated bin.
  2. Rinse the removable insert.
  3. Hot-rinse portafilters and baskets, then dry-wipe.

Weekly

Soak baskets and portafilters in diluted group cleaner, then rinse well. Brush the knock-box walls to lift stuck oils.

Why extraction cares

Dirty baskets change flow and create channeling. Stale grounds smell hits the guest before the cup does.

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Daily knock box and portafilter cleaning