Porlex JP-30 Stainless Steel Coffee Grinder
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- Ceramic conical burrs with wide range can grind from powder to french press
- Made in Osaka, Japan
- 30 gram capacity
- Stainless steel, static free body
- 47mm diameter and stands 178mm tall
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Porlex is a Japanese company that specializes in food grinders. This grinder is very well made with a well thought out design. This is one of the most compact, useful grinders on the market. The handle comes off and you are able to store it alongside of your grinder when you are not using it. The grinders inner spring helps keep the grind consistent even when grinder for coarse brewing. The stainless steel body makes the grinder indestructible and static free. The ceramic, conical burrs are easy to clean, will last long, and will remain rust-free.
Top Customer Reviews
I've been using the Porlex JP-30 every day for about two months now, and these are my impressions and comparisons with my former box grinder. First off, the locking mechanism used to adjust the grind is as advertised, it locks and doesn't change the grind on the fly. I did have to search on the web to find that the best grind position for espresso, and how to adjust the grind position (the adjustment mechanism is on the bottom of the grinder, and is the nut that "clicks" when you move it), because my Japanese isn't as great as it used to be (the manual is indeed only in Japanese). Espresso grind according to the web is two stops from the finest position. The grind has been very consistent, hasn't changed at all through use.
A few observations that might be helpful for anyone else thinking of buying this. The grinder is long and narrow, very similar ergonomically and aesthetically to a medium sized high-end pepper mill. I've had to adopt a different "technique" for grinding than my old box grinder. Essentially I use it just like a pepper mill, with both hands going in opposite directions while grinding, in order to generate enough force. This may seem like a small and insignificant thing, but for the people who want to grind directly into the portafilter or into an aeropress, and to keep the bottom of the mill stable in one place, I can imagine that it would be harder than first thought. The burrs are about half way up the side of the mill, and the bottom half of the mill separates from the top half and is the holder. I grind into the bottom of the mill.
At full capacity, the grinder will grind 4 tablespoons of espresso ground coffee. Grinding feels relatively fast or comparable with other grinders I've used.
Build quality is excellent, can't imagine that the ceramic burrs will become dull in my lifetime.
Very happy with the product in the end, would recommend it.
My complaint is that the bottom portion which collects the grinds on mine seems to have been made with a bit of "slop" and it does not mate perfectly with the main upper portion. This is surprising since it's the only way that the cheaper knock-off I own is superior (it fits snugly and doesn't move. On the Porlex the bottom shifts ever so slightly while you grasp it to grind which is just slightly annoying but that's about it.
Overall it is excellent.
Update March 2017: I've knocked two full stars off this review. As it turns out the sloppy hex-nut style top where the handle-crank mounts to the shaft is nearly as poorly designed and made as the imitations. I've seen some where the top looks nothing like that so I'm wondering if it has been updated in design, but mine looks just like the photos here. The hex, because it isn't held in place in any way other than geometry, naturally shifts about during grinding and gradually wears/strips the hex male portions and widens the hex female side on the handles until using the grinder eventually becomes a crazy effort in frustration because the handle *pops* right off the top while you're rotating. I hope this is addressed in the more recently copies but I've no way of knowing. Perhaps someone else can comment. My Porlex as of today, after a couple years of use, is just as frustrating to use as the two knock-offs I own. An awful let-down.
UPDATE PHOTOS March 27th:
Just one more quick update - I'm adding photos so you can see what I'm talking about. In the second photo (my own) the Porlex is on the right-hand side, and two different knock-off versions are in the middle and on the left. You can see the thicker material in the handle of the Porlex, but the hex style top is identical. It may be machined a bit nicer, but that really only bought me 6 months extra time before it began to loosen and strip out. It's still useable today but pops off frequently while cranking which is annoying. The middle one is the Cozyna version and you can see how much the hex in the handle (similar to the Porlex) has been rounding - notice the gap and how the handle now sags a bit. The one on the left is another knock-off, the Seagulline version - it is only a month old so you can see it still fits snugly; unfortunately the machining on the top hex is even worse than the other two which means it will strip out just as much but even sooner if I use it as often (which I don't).
There is a Youtube comparison review by Bennett Dungan and the first pic is a screenshot from his video showing how different his Porlex is. Completely different design at the top - and since his review on Youtube is rather new I'm wondering if Porlex has updated the design - I don't know and would love it if someone would confirm it here. If they are all like the one in his review, I'd heartily recommend it. If not, I'd stick with the knock-offs.