MiiCoffee DF64 II Single Dosing Coffee Grinder (Black)

I have been using the DF64 II single-dose coffee grinder for a full week after switching from the Breville Smart Grinder. Here are the pros and cons I've noticed: Pros: - Much more consistent grind size. The DF64 II produces an even, clump-free grind. The Breville had some particle size variation and clumping issues. - Faster grinding time. The DF64 II grinds a 20g dose in just 8 seconds, compared to 23 seconds on the Breville. Cons: - Louder operation. The DF64 II is significantly louder than the Breville. This could be disruptive in shared living spaces like dorm rooms. - Retention issues. Despite claims of minimal retention, the DF64 II's chute accumulates some coffee particles due to static buildup. Pre-misting the beans may help. In summary, the DF64 II excels at grind consistency and speed. The noise level and retention are relatively minor drawbacks. Overall, it produces a more consistent grind that improves espresso extraction versus the Breville. In addition to espresso grinding, the DF64 II performs very well for other brew methods like pour-over and French press. It can grind coffee evenly at the larger particle sizes needed for these methods. P.S. MiiCoffee also sells an excellent, affordable auto-leveling tamper that perfectly matches the grinder.

Massively heavy, stable, and smooth. Sits rock solid on rubber feet. Motor has enough torque to spin the machine 1/2” if placed on a towel. Excellent grind. No clumping. No static. Finding zero is easy. Mine was set perfectly from factory. Medium roast does well at “12” in my machine. Quieter than the awful conical grinder I had before.

This coffee grinder is the best performing grinder that I ever owned. The ground are very uniform and the same setting produce consistent ground. One thing I really like about this grinder is how little coffee is retained in the grinder after I'm done. In my previous grinders, whenever I take them apart to clean, I always find quite a bit of coffee ground left inside the grinder, but not this grinder. Cleaning this grinder is also quite easy, just unscrew the top clean it with a brush or small vacuum and put the top back. I was worried by unscrewing the top, I would change the setting if I do not screw it back exactly the way it was first put together, but that was not the case. I have cleaned this grinder 3 or 4 times already and the grind setting remains the same after I completed my cleaning. The only thing I wish this grinder can improve is the noise. It is a bit loud when it operates, but since I only use it for 30 seconds or so every day, the noise does not really bother me. However, if someone is really sensitive to noise, then this grinder may not be right for them.

Excellent grinder for the money. Has the key features for a light-grade enthusiast such as myself needs to grind daily coffee. The bellows are excellent.

The MiiCoffee DF-64 replaced a 8 year old Baratza Forte (following its untimely demise). My first use impression was WoW! but that has tempered a bit after a couple of weeks use. The grind (for espresso) is quite fine with very narrow particle size distribution. When the ground coffee hits a water film it spreads outward quite quickly and evenly. The static discharge control works in unexpectedly. The collected grinds are incredibly fluffy. If the collection cup is mounted in that fork on the exterior, a bit of a mess is created. Not as bad as with the original DF-64, but still messy. So, I've taken to holding the collection cup right up against the discharge chute, but it can overflow. I may resort to stopping halfway, tapping it to compact the powder a bit, and then resume grinding to finish the dose. The grinder is billed as very low retention, but after making two espressos, using the bellows (which makes an airborne mess again), there is retention (left image). A quick vacuum cleaning (just a few seconds) does clean the grind chamber (right image). The grinds, when transferred to the portafilter cup (a 20g VST) form a clump that absolutely requires WDT distribution, a step never needed with the Baratza. The clump feels somewhat warm to the touch, so perhaps I should open the burrs a bit. The coffee is generally wonderful, but it appears that electrostatic induced retention leads to variation in extraction and flow from the first cup to the second - the first cup showing higher extraction @1.2 0 1.3 g/s, while the second cup frequently seems to be brewed from less coffee @1.5 - 1.7g/s. Again, the quality of the espresso is quite good tasting and full-bodied. Since this grinder cost a small fraction of the Baratza Forte, I'm not disappointed and I may have a few things to learn.

I bought my DF64 2 months ago. I came from a Baratza Encore ESP (which is perhaps the best $200 grinder) and this is a huge leap forward for my coffee. First of all, with the same beans I have developed new flavors and notes thanks to this grinder. Second, the noise. I don't know where people reads that this is the most noisy grinder ever because I use it everyday twice a day and it is more quiet than the ESP; and this leads me to the third reason: the grinding time. I drastically reduced the grinding time for my beans. I can grind 18 grams of coffee in a third of the time I could with the ESP, so: less time + less noise = more comfortable grinding. And last, the dial. It's very precise and I can dial my espresso and pour overs with accuracy, adding or taking off seconds of extraction with very little adjustments. Overall, a great grinder that payed off really quickly. Also the looks! The quality construction is beatiful. Noblesse oblige: this is not a rant against the ESP, which is a great grinder and has given me excellent coffee (espresso and filtered), but this is really a good upgrade if you have the money.

Compared to my previous grinder (a Bodum Bistro) this thing is a tank! My old grinder weighs maybe 1.5lb, and this thing is closer to 15. It feels like a real machine tool compared to all my other kitchen appliances. I decided to upgrade because, while the old Bistro was actually quite capable for everything from French press down to Aeropress, it struggles to grind for espresso as it's just not quite rigid enough. The DF-64 has no such problem. First run, I set the grind dial to 10 and loaded my usual 16g dose of a dark roast into the portafilter. This was a mistake: my espresso machine pumped up to 15bar and just stalled, no liquid out at all! Reset with the grind around 20 and tried again--this time got liquid out but it still ran slow at 12bar. After dialing in, I find dark roasts run well around 23-25 on mine, and lighter roasts I've tried so far I might go down around 18-20. The adjustment dial is stepless, and it's large enough that if you know your grind setting for each coffee, switching back and forth between settings for different beans is definitely possible. Retention seems very low, especially if you use the bellows to puff air through the burrs before shutting off. Overall I'm very happy, and enjoying very consistent high quality espresso every time. The cost delayed my decision to purchase for a long time, but so far I'm quite pleased, and honestly for the sheer weight of metal in this thing I now understand why it's so expensive.

I started my espresso adventure with a cheap burr grinder. When the Fellow Opus came out, I grabbed one. It was a step up but it's very finicky and despite the claims, has quite a bit of retention. I just couldn't spend $800 (at the low end!) so I got a DF64 Gen 2. They fixed so many things from the DF64 Gen 1. So far, the ionizer works great (almost no static, even without RDT). The catch cup is well designed and aluminum, not plastic. They moved the on/off switch to the side and placed an anti-popcorning device in the chute. And it's a flat burr grinder for under $400! The things I hear people complain about the most are the noise and the bellows. Neither concern or bother me in the least. It grinds 18 grams of beans in about 10 seconds so the noise is short lived and the bellows works...it just works. So far, I have 0 complaints and in fact, I'm very happy with the grinder! Also, I checked the alignment, fully expecting to have to shim the burrs. It was almost perfect. That took maybe 15 minutes and I was shocked. I put it back together and started enjoying the grinding experience! I did a blind cupping using the Fellow Opus and the DF64 and even with the stock burrs, both espresso and filter coffee was noticeably better. Lastly, this thing is super easy to clean. Just be careful not to get any grounds in the threads of the adjustment ring and use a little food safe lube when reassembling and this ought to last a good while.