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Cake day: September 12th, 2023

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  • Steel conducts heat. If you grind coffee with steel, there’s risk of slightly cooking the beans - changing the flavor profile.

    Ceramic, in contrast, is an insulator. Therefore, it’s safer to use ceramic grinders for coffee.

    If you handle a ceramic burr grinder properly, you can get consistent enough grinds quickly enough to make consistent, high quality coffee. Those of us who grind by hand don’t care as much about speed - we are grinding by hand, after all.

    It’s not worth the risk to add heat to the grind process.

    I’ll add that I don’t judge if people use steel grinders for their coffee. It’s your coffee, make it the way you like it! But ceramic grinders are hardly garbage, and Porlex does make some of the best hand mills.