How to Unclog an Espresso Machine

Preparing a perfect mix of Espresso is like an art. The more you practice, the better you are at it. The feeling you have after your eyes see the light brown color of the drink during the extraction from the beans as well as the smell of the beans is a joy to behold. This joy is something you would like to gradually experience every time you try to make yourself a cup of espresso. But getting good results each time you attempt to make Espresso only happens when you thoroughly clean your Espresso Machine, free it from dust and unclog it often.

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Unclogging the Espresso Machine

The Espresso Machine is a complex mechanism. It is made up of a large number of smaller parts. The grinding chamber, filters, water tank – all the parts have to be in perfect shape to get the best results. Therefore, it is very important to unscrew and screw all the parts of the Espresso Machine perfectly together to deliver the best brew each time you want to have a cup of Espresso.


Grinding is an important function of the Espresso machine. It is where you are able to grind your ground coffee to a level of fineness which you want to enjoy in your drink. The whole quality of your Espresso is dependent on the proper functioning of your grinding chamber. The position of your grinding chamber depends upon the design of the Espresso machine. You can either find it at the top where it is very easy to reach or it could between a few parts where you would have to take apart a few parts of the machine to reach the grinding chamber.

  • Use warm water, a sponge and a cleaning product to clean the clogs on the grinding chamber.
  • Also avoid removing too many parts from the grinding chamber as it can lead to a lot of wear and tear of the chamber.
  • Keep the dosing chamber relatively free almost before every use as the coffee beans goes stale if kept for a larger amount of time.
  • Use a normal painting brush to brush out smaller dust particles as dust could affect the taste of your coffee.
  • Make sure there are no metal clips attached to the brush as it could create scratches on the chamber.

However, the hardest place to clean in the chamber is the exit chute. It is the bridge between the grinder and the doser. It retains the coffee after its grinding. So therefore, before grinding any new beans for your espresso, grind through the chute so that it can remove any previous instance of stale beans which are left over from the last time.

Steaming Wand and Nozzle:

The most important parts where the milk is stored and used in the Espresso Machine are the Steaming Wand and the Nozzle. They are easily accessible and very easy to clean thoroughly. It is necessary to keep the steaming wand and nozzle dry and clean of milk before every use to avoid a stagnant smell. You can easily wipe the nozzle and the steaming wand with a soft towel to clean it. The best way is to immerse the steaming wand into warm water, and press the steaming button. This greatly helps in removing milk leftovers and then dries up the nozzle and the steaming wand.

The Brew-Group:

Portafilter is the most important part of the Espresso Machine. Therefore, keeping it clean and free of any impurities is of paramount importance. Most of the times, wrong tampering of the beans, over-filling of the basket or shaking the Portafilter while extraction can lead up to the show screen clogging up. It can greatly affect the even distribution of water into the chambers which can lead to uneven end results in your coffee. You can buy a brew-only brush to thoroughly clean the area. Also use warm water to flush down the screen. Wipe it with a soft cloth to clean it later.

The Water Tank:

The water tank is the area where you collect the water to warm it up before the grinding process. You can use a normal carbon filter to clean the water tank. Also you can fill the tank with water and add descaling tablets to the tank. Then press the descaling option to completely clean the water tank. Next, immerse the steam nozzle in cold water and let it create froth so as to clean it of mineral impurities. Regular cleaning of the water tank is advised to avoid clogs.


Regular cleaning of the Espresso Machine is advisable as an unclean environment adversely affects the taste of your Espresso. Besides, it can also lead to an earlier wear and tear of the Machine. Creating a perfect cup of Espresso might include getting fine ground coffee and a better Espresso machine as the top requirement but creating the perfect environment for to make your Espresso is as important as other things.