tldr; Premium all-rounder. Espresso and pour-over well. Worth it.
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Best praise vs top criticism for 1Zpresso K-Ultra
“Yeah, lighter roasts and finer grinds make it harder to grind, as does the size of the burrs (the k-ultra has pretty large burrs). There's a specific Ethiopian coffee I buy that's an absolute bitch to grind finely, especially for my wife. My previous grinder was an X-Ultra, which was significantly less comfortable and more difficult to grind and I ended up using a [tennis overgrip](https://i.imgur.com/Ai2ymQd.jpeg). Their entire purpose is to provide grip and comfort and it made a huge difference in ease or grinding. It will add a bit of extra thickness (exact amount depends on how densely you wrap it), but the extra grippiness should be an overall improvement.”
“I did this with my first shitty blade grinder and regretted it the following morning but I did it again the next time I made that recipe. But also as you might imagine, my coffee was shit back then so the stakes weren't very high. I definitely would never do this with my K ultra but also I've since discovered that my grocery store (HEB) sells fresh ground spices by weight next to the trail mixes so I really have no need to grind my own anymore.”
191 Reddit opinions analyzed • Last updated 2/24/2026