Hario Coffee Grinder Mini Mill Slim
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Overview
Why do we love it?
Hario Skerton grinder is handy for manual home and travel grinding, it can also be slightly more cumbersome for an extended road trip where only a small amount of grinding will be done (for a more detailed comparison of the two grinders, check out this blog post: Hario Skerton vs. Mini Mill). For those trips (or homes) where a minimal amount of grinding is needed, the Hario Mini Mill Slim is the perfect grinding solution. The Mini Mill employs adjustable conical ceramic burrs for grinding any of the wide range of grinds employed in today’s coffee market. It can effortlessly handle 24 grams of anything from fine espresso to a coarse French Press setting. Because of its lightweight (0.5 lbs) and sleek plastic body, the Mini Mill easily fits into small carrying bags and suitcases without adding a lot of extra weight. This, in conjunction with the Aerobie AeroPress coffee maker, has the propensity to make excellent coffee anywhere hot water and fresh beans are available.
The Hario Mini Mill is a traveling coffee enthusiast’s dream come true.... and with its ability to grind to the fine quality needed for espresso, it can be paired with a hand-held travel espresso maker such as the mypressi TWIST (and an excellent choice of beans) to achieve a quality rivaling the product found in many high-end espresso machines. Whether the need is grinding beans for a french press, Aeropress, or mypressi, the Mini Mill Slim is the perfect travel solution.
Although at its core Hario is a glass company, they have ventured out to create many other non-glass coffee related products. The Hario Mini Mill Slim is one example of those ventures. The Hario Mini Mill Slim grinder has been designed by Hario to provide coffee lovers with an inexpensive means to have freshly-ground coffee, even while traveling with a light load. Some favorite features of the Mini MIll Slim are the easy to turn grind adjustment on the bottom of the grinding chamber and the plastic top that makes sure no beans fly out while grinding. See below for more details on this handy grinder.
Details:
- Features conical ceramic burrs.
- Grind setting is easily adjustable via a turn knob on the bottom of the top grinding chamber.
- Grinder is 150 mm wide, 72 mm deep, and 220 mm high. Width includes handle mounted on top.
- Handle hangs off the top of the grinder for easy storage.
- Ceramic burrs are durable and easily maintained and will consistently yield an even grind, even and especially for espresso.
- Plastic body means it won't weigh you down while you travel.
- Holds 24 grams of ground coffee.
- Ideal for the V60 Pourover, Chemex, Aeropress, Syphon Brewer, or Mypressi TWIST handheld espresso maker.
- Not sure which grinder to get, the Skerton or Mini Mill? For a more detailed comparison of the two grinders, check out this blog post: Hario Skerton vs. Mini Mill.
*Image is a representation. Actual product may vary based on model, size, and options selected.
| Specifications: | |
|---|---|
| Manufacturer: | Hario |
| Model: | MSS-1B |
| Weight: | .5 lbs. |
Brand

Reviews
- 4/29 - Boston Translation or:...
- 4/9 - SCAA 2013: Boston-bound...
- 3/27 - Save Big with Bobby...
- 3/13 - 5 Smashing Coffee Beers...
- 2/15 - Latte Heart Winner...
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When it comes to serving freshly brewed coffee in a commercial setting, one key dilemma has continually arisen. How can a commercial, high volume coffee shop make quick, fresh coffee without sacrificing quality? The solution has been either (1) to slightly sacrifice quality by making a large amount of drip coffee every hour or so, or (2) to preserve quality but to slow down production and possibly lose a potential profit with single-cup brewing (V60, Chemex, French Press, etc.). The brewing process that the Bunn Trifecta is built upon could be the answer to this significant dilemma.
The Trifecta has been anxiously awaited by the coffee community since Starbucks bought the rights to the Clover brewing system and took it off the market. At a fraction of the price of the Clover, the Trifecta could be the next-generation coffee system. The process is incredibly simple and efficient without sacrificing quality. It can be compared to a Syphon Brewer in its use of total immersion, constant temperature, and agitation of the grounds.
First, the hot water completely saturates the freshly ground beans resulting in a French Press like immersion. This takes advantage of the total extraction of beans that can only take place in full immersion brewing systems.
Second, Air is injected into the pressurized chamber which agitates the grounds. This further enhances extraction by exciting the grounds and water as they interact with each other.
Third, at just the right time (before over-extraction can take place), the pressurized air presses the coffee through a metal filter into the waiting cup. Similar to the Aeropress, this added pressure further enhances the extraction process and ensures a full-bodied flavor in the coffee. To read a full, hands-on review of the Bunn Trifecta by our coffee team, click here: Bunn Trifecta First Impression. -
Hario's stainless steel water kettle, the V60 Buono, has been spotted popping up in coffee houses and the kitchens of baristas for some time now. A detailed search on the web will reveal, for the moment at least, that the Buono seems to be widely accepted as the most useful pouring kettle available. What makes this kettle so popular amongst pour-over enthusiasts? Several reasons stand out.
First, the thin pouring spout enables greater pouring precision as well as a slower, more consistent and controlled rate of pour, both of which are very helpful in achieving a precise, prolonged extraction.
Second, the stainless steel construction and large 1 liter capacity contribute toward keeping up the brew temperature for the duration of the entire brew cycle.
Third, the ergonomics involved in the design of the kettle help to make using it much easier. This may not seem like much, but if you're brewing large batches of coffee and pouring for three or more minutes per batch, doing several batches of coffee will quickly become a chore if your kettle doesn't cooperate with you.
Combine all of these facets with the fact that the Buono is manufactured by Hario, a very popular name in the coffee-brewing community, and the kettle's popularity is easily understood. For best results, combine the Buono with a V60 Dripper or Chemex to get a truly exceptional cup of coffee. -
For most companies it's hard to find motivation for pushing out new products if you find yourself on top already. This is not, however, the case with La Marzocco. The Italian based espresso machine manufacturer continues to push the envelop when it comes to innovations in espresso machine technology. The newest line from La Marzocco continues their progression in the specific areas of temperature stability and pressure profiling. We've discussed the Strada Electronic Paddle version in detail in our Strada EP blog post and listing for the 2 Group Strada EP. The Strada Mechanical Paddle employs technology similar to the Mechanical Paddles on other La Marzocco models but with a few new features including individual pressure gauges, digital PID control, and dedicated group boilers.







Amazing little beast!
This is an AMAZING little grinder! I got it because I travel a lot and am seriously addicted to good coffee. I wanted something to use out on the road that was also small enough to pack when hiking. This goes way beyond that and I find myself using it everyday. There are very few proper ceramic burr hand grinders. And the only one "intended" for camping use is the GSI Java Grind. It is big and heavy though and not a good choice for backpacking. This Hario Mini Slim on the other hand fits easily into my pack.
Grind consistency is awesome. It is a mild workout, but is still fast and easy to use. I LOVE this grinder!
disappointed
The only benefit that I can see is that you can set the grind after experimenting . It takes too much work to grind a small amount of coffee beans.
I will save for travel use only.
Beats Skerton Every Time IMO
Note: I used to work as an employee at Prima Coffee but the following opinion is my own.
I had used the Hario Skerton for over a year for my coffee and appreciated its quality and use, but there were several annoyances. I recently got ahold of a mini mill and after using it for a couple of months would never go back to the Skerton! They seem like small things, but when using it often, the differences are substantial for me:
Over all, I'd say the Minimill, while not the ultimate grinder, is a fantastic little buy for the cost and I would purchase it over the Skerton for sure.