Deep inside your coffee grinder, tiny changes can have massive consequences.

This episode takes you deep inside Mahlkönig’s grinders to show you how coffee is ground and the importance of particle sizes on flavour.

If you’re a home coffee lover, you could easily spend thousands of dollars on your coffee grinder. But after diving deep into the R&D of grinder manufacturing, I learned that after a certain point spending more probably won’t produce a better tasting cup of coffee for you!

---------

Please spread the word about The Science of Coffee!

Discover how I make these Filter Stories episodes by subscribing to my Substack newsletter.

Write a review on Apple Podcasts
Follow me on Instagram and tag me in an Instagram story
Leave a 5 star rating on Spotify

Explore Mahlkönig’s range of world leading grinders, trusted by baristas globally.

Go deeper into the world of grinding

Take Barista Hustle’s Advanced Espresso course
Learn from Lance Hedrick where the sweet spot is for buying a coffee grinder
Get super nerdy with Jonathan Gagne’s writings on grinding
Read up on Samo Smrke’s work on coffee fines

Connect with my very knowledgeable guests

Arnaldo Rodrigues - LinkedIn
Luca Lange - LinkedIn
Chris Meier - LinkedIn
Dario Burger - Instagram

The Science of Coffee is made possible by these leading coffee organisations:

BWT Water and More
Marco Beverage Systems
ROEST
Sustainable Harvest
Mahlkönig

The Science of Coffee is a spin-off series from James Harper's documentary podcast Filter Stories

Live in Berlin? Join me for a free decaf cupping at Communal Coffee on the 12th December 2025. Reserve your ticket here: https://bit.ly/4nZXyrf.

#WasLos Podcast

The AI-powered Podcast Player