Espresso-making in the home comes with its own mess and perhaps the most infuriating part is disposing of the used coffee puck. That’s where the simple but extremely useful knock box saves the day.
It’s not glamorous or even cutting-edge, but this small box can seriously streamline your cleanup process and help prolong the life of your espresso equipment.
A knock box is a rugged box featuring a padded bar along the top. After you pull a shot, you simply “knock” your portafilter against the bar to send the used puck sliding into the box neatly. No scraping, no inconvenience.
Why You Shouldn’t Skip It
- Quick, Clean Disposal
Instead of taking a stroll over to the trash every time or trying to scoop out an ooey-gooey puck with a spoon, a knock box gives you an efficient, easy-to-use disposal method.
- Protects Your Portafilter
The padded bar on a knock box is shock absorbing, which prevents wear and tear on your portafilter’s basket or handle.
- Maintains Your Station Clean
Coffee grounds can make a mess in an instant. A knock box keeps it all contained so you can have a clean, professional brewing environment.
What to Look For in a Good Knock Box
Durable build (metal or heavy-duty plastic)
Inner receptacle is removable so it can be easily cleaned
Non-slip bottom
Large enough to be able to hold multiple pucks before needing to dispose
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Where to Place It
Most home baristas place their knock box in proximity to their grinder or espresso machine. Others even integrate it into a drawer unit or a tamping station for an organized, ergonomic setup.
Before long it is a no-nego
A knock box can seem like an extraneous nicety at first, but before long it is a no-nego












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