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Bottomless portafilter

Observe the entire extraction process of an espresso

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Bottomless portafilter

A bottomless portafilter, also known as a naked portafilter, is a special filter carrier used for espresso machines. 

Unlike a traditional portafilter, a bottomless portafilter has no base plate or manifold, exposing the view of the coffee spout.

Are there any advantages?

The advantage of a bottomless portafilter is that you can watch the entire extraction process of the espresso.

Since there is no bottom, you can see the coffee flowing directly out of the filter. This makes it easy to spot problems such as uneven extraction, channelling (where the coffee flows through the grounds in undesirable areas) or other faults.

Nahaufnahme eines Siebträgers einer Espressomaschine aus Edelstahl

Gimmick or not?

A Bottomless Portafilter is often used by professional baristas and coffee lovers to improve their espresso technique and monitor the quality of the extraction process.

However, it also requires some skill and experience, as even grinding, distribution of the ground coffee and correct tampering are necessary to achieve optimal extraction. If this is not the case, the coffee will splash in all directions during extraction.

Nahaufnahme von fließendem Espresso aus einer Siebträgermaschine

What to look out for

It is important to note that not all espresso machines are compatible with a Bottomless Portafilter.

The portafilter must be designed and manufactured specifically for the machine in question. Therefore, before buying, you should make sure that the portafilter fits your espresso machine.

Espresso, der aus einem Siebträger fließt

Selection portafilter

Hochwertiger Espressomaschinen-Siebträger aus Edelstahl mit schwarzem Griff, ideal für perfekte Kaffeezubereitung
CHF 95,00 bottomless
La Marzocco bottomless portafilter

for all La Marzocco portafilter machines
Ergonomischer Handgriff für das Handling von Kaffeemaschinen, in schwarz-silbernem Design
CHF 59,50 incl. Mwst.
Rocket bottomless portafilter

Original bottomless portafilter from Rocket for perfect extraction control, incl. sieve, chrome-plated brass

WISSEN

Origin of coffee

Coffee plant
Coffee production
Growing countries
Coffee history

Preparation

with 9 bar pressure
without pressure

Sensors

Flavours & taste
Coffee tasting
Flavour wheel
Characterise espresso
The sweetness in coffee

Equipment

Espresso machine
Filter preparation
Coffee grinder
Accessories

Tips & Tricks

Coffee water
the right coffee
Filter brewing recipes
Effect, caffeine, liquid
Bottomless
Stir the spoon
the right tamper
The right grind
Cleaning
decaf methods
make coldbrew
Iced tea
Packaging & freshness