How to Backflush an Espresso Machine
Backflushing forces water (and Cafiza) backward through the group to clear coffee oils and grounds. Done weekly with a blind basket, it prevents sour, dirty shots.
Our top pick
Cafiza Powder
Cafiza is the standard backflush detergent pros use to keep an espresso machine group head clean and tasting fresh.
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Editorial note: this guide is compiled from published manufacturer guidance, general best practices, and aggregated owner experience — not hands-on testing. Always follow your machine’s official manual.
Quick comparison
| Pick | Why we like it | |
|---|---|---|
| Cafiza Powder | Cafiza is the standard backflush detergent pros use to keep an espresso machine group head clean and tasting fresh. | View → |
| Blind Basket | No-hole basket that builds pressure for backflush. | View → |
| Group Head Brush | Scrubs the group screen during backflush. | View → |
Cafiza Powder
Editor’s PickCafiza is the standard backflush detergent pros use to keep an espresso machine group head clean and tasting fresh.
- + Effective
- + Pro
- + Cheap
- − Rinse well
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No-hole basket that builds pressure for backflush.
- + Needed
- + Cheap
- + Reusable
- − Basic
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Scrubs the group screen during backflush.
- + Cheap
- + Effective
- − Manual
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Buying advice
Insert the blind basket with a pinch of Cafiza, run the pump in bursts, then flush with plain water until suds clear. Weekly keeps flavor clean.
FAQ
How often?
Weekly for daily machines.
Without a blind basket?
You can't backflush - get one.
Tastes better?
Yes - removes rancid oils.
Ready to start brewing better?
Our top pick for this guide — check today’s price and clip any on-page coupon on Amazon:
Cafiza Powder
Cafiza is the standard backflush detergent pros use to keep an espresso machine group head clean and tasting fresh.
As an Amazon Associate we earn from qualifying purchases.
Want exact doses? Use our free brew calculators.