La Marzocco Espresso Machine Cleaning Powder – for group head, shower screen and portafilter
With every shot, coffee oils build up in the group head, shower screen and portafilter. The La Marzocco cleaning powder dissolves these residues during backflushing with the blind basket.
La Marzocco calls it Puro Caff (part number F.9.021); according to the label it is made by Puro for La Marzocco. The container holds 566 g. According to La Marzocco, the ingredients are biodegradable and phosphate-free.
How to use it
Add about half a teaspoon, around 3 g, per group head to the blind basket, lock in the portafilter and backflush. Then rinse with several cycles without powder.
Our routine: backflush daily with the blind basket and clean water, and with cleaning powder about every 50 shots, which takes around 5 minutes. La Marzocco itself suggests a weekly routine. Our opinion is one of many.
Dissolved in water, the powder also works as a soaking solution for shower screens, baskets and portafilters.
At a glance
| Manufacturer | La Marzocco, made by Puro |
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| Name | Puro Caff Espresso Machine Cleaner |
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| Part number | F.9.021 |
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| Contents | 566 g |
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| Form | Powder |
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| Dosage | approx. ½ teaspoon (around 3 g) per group head |
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| Use | Backflushing with blind basket, soaking shower screens, baskets and portafilters |
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| Ingredients | biodegradable and phosphate-free according to La Marzocco |
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Who it is made for
For everyone with an espresso machine that can be backflushed, La Marzocco or any other brand. Machines and spare parts are in the La Marzocco collection, more cleaning products under machine and grinder cleaning and blind baskets and tools under Barista Equipment & Tools.
For a clean portafilter after the shot: affordable and precise puck screens from Normcore, and for those who want more, from Weber Workshops. If you are still looking for a machine, our advice tool helps you narrow it down. Delivery in 2–4 working days across Switzerland and to Liechtenstein, click & collect in Bern and Zurich.
Frequently asked questions
How often should I backflush with cleaning powder?
In our view, daily with clean water and about every 50 shots with cleaning powder. La Marzocco suggests a weekly routine. What matters is that the group head stays free of coffee oils.
How do I dose the cleaning powder?
Add about half a teaspoon, around 3 g, per group head to the blind basket, backflush and then rinse with several cycles without powder.
Can I use it to soak baskets and portafilters?
Yes. Dissolved in water, the powder works as a soaking solution for shower screens, baskets and portafilters. Rinse thoroughly with clean water afterwards.
Does the powder only suit La Marzocco machines?
No, it is intended for espresso machines in general. Backflushing requires your machine to be designed for it. The user manual will tell you.
Tip from the roastery: A clean group head shows what is in the bean. From our coffee roastery in Zurich, Cozy Chocolate and Nutty Delight are dense, chocolatey and nutty, Very Nutty brings maximum body. If you are looking for something fruity, you will find it in Wild Peach. That is our recommendation, one of many.
