WHAT IS A KNOCK BOX FOR? SLAMMING THE COFFEE?
Old Coffee grounds stink and are dirty, (but great for the garden) so bang the coffee grounds from the filter into a “knock box”
In bars, cafés, restaurants etc, but also in small hotels, one of the things unpleasant area coffee tray is used coffee grounds once the powder is exhausted. It doesn’t have a good smell, it didn’t look good and often difficult to remove, and with bags it deformed and stuck to and covered the whole area where the coffee goes to fall when we throw the filter holder.
Yet their is a solution, and is very convenient: it is so-called The Knock Box. You Bang, Knock in this case, the portafilter to loosen the grounds to expel the old Coffee.
As you see from the photo it is a kind of box, bucket with a rubberized bar. The old Coffee ends inside, you can empty and wash easily and allows to fix the machine even on a mobile coffee cart or at home, also, when not required you can store out of the way, you may also want to put the clients name on the box, using this can get a curious look for an innovative tool in your café or bar?
If you’re in need of one in a emergency and one can not be found, look here and see how easy it is to build one, just a plastic bucket, a piece of wood and rubber. Easy as One Two Bang.




