J-Ultra

Big spectrum indeed. (I know you know all this, but I liked to add from here for OP.) I have two grinders, 1Zpresso J-Ultra and Mazzer Omega X Soft Burrs. You can’t go dead slow on a hand grinder anyways, you need muscle through it and try to keep a reasonable rpm. In my J-Ultra some dark roast are

I have used K6, which has exactly the same burr set as the K Ultra. The main difference comes with the handle. I have the straight handle, which made it even more difficult, but I personally believe if you are making more than one shot of coffee or planning to switch beans, then don't go with a manu

I roast my own coffee (Aillio bullet r2) and do light roasted coffee. I recently went on vacation to the beach and my Lagom mini stopped working on me. I bought a J Ultra on Amazon since it was the only option I could get delivered quickly and OMG that was not a pleasant experience. Hand grinding li

Indeed, the lighter the roast, the denser the bean, and the harder it is to grind. I usually drink specialty coffee with a medium-light roast, so it's very hard to grind with my J-Ultra grinder. I'm going to buy an electric grinder to solve my problem because my wrist has hurt twice in the last mont