Both filters and the holders for filters should be as hot as possible when you’re preparing coffee. For this reason they should always be interested into the group; this way the stable temperature required for preparing espresso can be reached. When the barista loads up another portion of coffee, the filter should be clean and dry.

Other things to keep in mind include:

*Before inserting the holder into the group, it’s necessary to carefully remove ground coffee from the filter edges.

*After the holder is inserted into the group, it needs to be turned with the appropriate force (it’s necessary for achieving the ideal tightness in the group)

*The best time to prepare espresso is immediately after inserting the holder. In the filters and holders, coffee oils accumulate, so they require regular cleaning.

Espresso filters and filter holders should be as hot as possible when you prepare coffee. They should always be inserted into the group for this reason. This way you can reach a stable temperature for preparing your espresso. When the barista loads the next portion of coffee, the filter should be pure and dry.

Some other things to keep in mind:

-Before inserting the holder into the group, you have to carefully remove the ground coffee from the filter’s edges.

-After the holder is inserted into the group, it needs to be turned with the appropriate amount of force (you have to do this to get the ideal tightness in the group).

-You should begin preparing the espresso immediately after inserting the holder. In filters and holders coffee oils can accumulate, so they require regular cleaning.