Espresso Unplugged

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Tag: video

So you think the ROK can’t produce crema? These 25 Videos say otherwise.

So you think the ROK can't produce crema

A common criticism levelled at the ROK espresso maker is that it can’t produce crema. In almost all cases we’ve dealt with, the issue turned out to be the grinder. If your grind setting is off, or your grinder won’t grind fine enough, you won’t get the espresso you’re looking for from the ROK. Here are 25 videos of folks who have figured that out.

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ROK Coffee Grinder Videos

Here’s a collection of ROK coffee grinder videos. The videos cover everything from squeaks, to recalibration, burr alignment, static and more.

Clearing a squeak

Adjustment wheel recalibration

Aligning the conical burr

Checking the outer fixed burr

Static (Ross Droplet Technique)

Basic instructions

Washer removal

A Beautiful Custom Portafilter Handle for ROK / Presso

Talk about going the extra mile! Our mate Andrew from Pulse Digital sent this video of him making a custom handle for his ROK portafilter. The portafilter is beautiful and the video is slick. I’m blown away!

Naked and Dangerous: The Bottomless Portafilter

The spout of a regular portafilter sure makes it look like your espresso is coming out in a nice neat stream, doesn’t it? It gives you the impression that everything inside the basket is as it should be. How nice. Isn’t coffee wonderful and easy? La la la.


Once you take the bottom off your portafilter you may discover that it’s an absolute shambles in there. Coffee may shoot every which way and land anywhere but in your cup. I’m sorry to report it’s not the naked portafilter that’s letting you down – you have some homework to do.

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“The Gusher” – When a ROK Espresso Shot Goes Wrong

This is a demonstration of what an espresso shot from a ROK, looks like when your coffee is ground too coarse. Coarse coffee creates less of a barrier to the water and so doesn’t allow you to build enough pressure for good extraction. The water flows too fast and the resulting coffee will lack crema and taste weak / bitter. Continue reading

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