If you own an espresso machine — whether it's a Sage Barista Express, a De'Longhi La Specialista or any other home espresso machine — cleaning it regularly is the single most important thing you can do to protect your investment and keep your coffee tasting great.
Yet most home baristas in the UK clean their machine far less often than they should. In this complete guide, we'll cover exactly how often you need to clean your espresso machine, what a proper cleaning schedule looks like, what happens if you don't clean it, and the easiest way to do it.
The industry standard recommended by most espresso machine manufacturers is to backflush your machine every 200 espresso shots, or approximately once per week for a machine used daily. For machines used less frequently — perhaps 1–2 shots per day — cleaning every 2 weeks is acceptable.
However, if you notice any of the following, clean immediately regardless of shot count:
A proper espresso machine maintenance routine involves cleaning at different intervals — after every use, weekly, monthly and every few months. Here's exactly what you should be doing and when:
Group head flush (30 seconds): After pulling your last shot of the day, run the pump for 5-10 seconds without the portafilter to flush any loose grounds and oils from the shower screen.
Portafilter rinse: Remove the portafilter and knock out the spent puck. Rinse the portafilter and basket under hot water and wipe dry.
Steam wand wipe: Immediately after steaming milk, wipe the steam wand with a damp cloth and purge it briefly to prevent milk residue hardening inside. Hardened milk residue is extremely difficult to remove and can block the steam wand entirely.
Drip tray: Empty and rinse the drip tray regularly to prevent mould and bacteria growth.
These daily tasks take less than 2 minutes and prevent the build-up that makes weekly cleaning harder.
This is the most important maintenance task for your espresso machine and the one most home baristas neglect. Weekly backflushing with an espresso cleaning tablet removes the coffee oil and residue build-up that accumulates inside the group head and internal valve with every shot you pull.
You will need a blind basket (a solid basket with no holes, usually included with your machine) and one espresso cleaning tablet such as a Qualità Napoli backflush tablet.
The process takes approximately 5 minutes — read our complete step by step backflushing guide here.
Also weekly: remove and soak the portafilter basket in hot water for 20 minutes to dissolve coffee oil build-up.
Shower screen: Remove the shower screen (the metal disc inside the group head that water passes through) and soak it in hot water with a cleaning tablet for 20-30 minutes. Use a group head brush to scrub away any remaining residue.
Steam wand deep clean: Soak the steam wand tip in a cup of hot water with a small amount of cleaning solution for 15 minutes to dissolve any internal milk residue.
Drip tray and cup warming tray: Remove and wash thoroughly with warm soapy water.
Water tank: Empty, rinse and wipe the inside of the water tank with a clean cloth to prevent mineral deposits and bacterial growth.
Descaling is a separate process from backflushing that removes limescale build-up from the internal boiler and water pipes. Limescale is a white chalky mineral deposit left behind when hard water is heated repeatedly.
How often you need to descale depends entirely on the hardness of your water. In the UK, water hardness varies significantly by region:
Most modern espresso machines have a built-in descaling alert that tells you when descaling is needed based on your water usage.
Important: Never use backflush cleaning tablets for descaling — they are different products for different purposes. Use a purpose-made descaling solution for the descaling process.
Sage recommends cleaning their espresso machines every 200 shots or when the cleaning alert light comes on. All Sage machines (Barista Express, Barista Pro, Barista Touch, Barista Touch Impress) have a built-in cleaning alert system. When this light appears, run a cleaning cycle immediately using a blind basket and one cleaning tablet. Qualità Napoli cleaning tablets are fully compatible with all Sage espresso machines.
De'Longhi recommends cleaning the La Specialista and other pump espresso machines approximately once per week with a cleaning tablet. The machine will display a cleaning alert when it detects that cleaning is required. For De'Longhi machines, one Qualità Napoli tablet per cleaning session is recommended.
Breville espresso machines (which are sold as Sage machines in the UK) follow the same cleaning schedule — every 200 shots or when the cleaning alert activates. Breville recommends using a blind basket and espresso cleaning tablet for the backflushing process.
The Gaggia Classic does not have an automatic cleaning alert, so you need to track your cleaning manually. Gaggia recommends backflushing with a cleaning tablet every 200 shots or once per week — whichever comes first. The Gaggia Classic uses a standard 58mm blind basket for backflushing.
Coffee contains natural oils that, over time, oxidise and go rancid inside your machine. These oils coat the group head, shower screen and portafilter — making your espresso taste increasingly bitter and stale no matter how good your coffee beans are. This is one of the most common reasons home espresso tastes worse than café espresso.
Beyond taste, neglecting cleaning causes:
Even if you're not tracking shot counts, your espresso machine will tell you when it needs cleaning. Watch out for:
The weekly backflush cleaning process takes approximately 5 minutes from start to finish. The daily quick clean takes under 2 minutes. Monthly deep cleaning takes around 30-45 minutes including soaking time.
This is a very small time investment compared to the cost of machine repairs or replacement — and the improvement in espresso quality is immediately noticeable.
Branded espresso machine cleaning tablets from manufacturers like Sage can cost £1.80 or more per tablet. Qualità Napoli espresso cleaning tablets offer the same professional-grade cleaning performance from just 67p per tablet in the 30-pack — making them the best value espresso cleaning tablets available in the UK.
All Qualità Napoli tablets use a food-safe, phosphate-free, biodegradable formula — they are safe for your machine, safe for your drainage and kind to the environment.
Can I clean my espresso machine too often?
No — more frequent cleaning is always better than less. Cleaning once or twice a week will not damage your machine.
Do I need to clean my espresso machine if I only use it occasionally?
Yes — even if you only pull a few shots per week, coffee oils still build up. Clean at least every 2 weeks regardless of usage.
Can I put espresso machine parts in the dishwasher?
Check your machine's manual. Most portafilters and baskets are dishwasher safe but group head components generally are not. When in doubt, hand wash.
What's the best espresso machine cleaning tablet UK?
Qualità Napoli espresso cleaning tablets are the best value professional-grade cleaning tablets available in the UK — from just 67p per tablet with free delivery.
How do I know if my espresso machine needs descaling or cleaning?
Backflush cleaning removes coffee oil residue from the group head — do this weekly. Descaling removes limescale from the water circuit — do this every 2-3 months. Both are necessary and serve different purposes.
Keep your machine in perfect condition with Qualità Napoli espresso cleaning tablets — compatible with all major brands, fast UK delivery, from just £8.99.
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