Hario Clear Coffee Grinder Review

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Quick Overview



  • Budget-friendly
  • Efficient burr system
  • Easy to use
  • Effortless to transport
  • Stylish design


  • Not consistent when in coarser grind settings
  • Static on plastic materials

Are you in the market for your own coffee mill at home?

If so, this Hario Clear Coffee Grinder review will make your life much easier.

As every self-respecting coffee-holic knows, the best way to enjoy coffee is by using whole beans.

However, good coffee beans are nothing if you don’t have a reliable grinder.

Using one is the only way to ensure a uniform grounds consistency and an even extraction of its oils.

Another problem is that not all kitchen counters have enough space for bulky electric grinders.

We present the Hario Clear Coffee Grinder as a catch-all solution that you should consider.

Hario Clear Coffee Grinder Review

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Hario has been making high-quality coffee-brewing equipment since 1964.

In fact, it is a brand that coffee lovers all over the world are familiar with.

However, only a handful of people know that the company has been operating since 1921.

Back then, it operated under the name Hiromu Shibata Works and specialized in manufacturing heatproof glass and laboratory glassware.

The company put its skills to good use as it shifted its attention to coffee-related accessories over the years.

It now has a diverse selection for everyone looking to get their caffeine fix regularly at home or on the road.

The Acrylic Ceramic Manual Coffee Grinder is one of Hario’s mid-tier offerings.

It is the only one that comes in the shape of a box, along with many other unique features.

Who Is This Product For?

This product is ideal for all coffee lovers who want only fresh grounds for every cup.

However, you will find that it performs better in finer settings than it does in the coarser ones.

Therefore, if you like espresso, Aeropress, and similar brews, this grinder is for you.

Home brewers who do not have the budget or the counter space for electric coffee grinders would also love this product.

It comes with a reasonable price tag and is designed for easy storage when not in use.

Moreover, you can stow away the handle in the grinder’s body, which makes it great for travelers.

Even if you are always on the go, you won’t have to miss out on a perfect cup of coffee with this grinder in tow.

Some people hesitate to jump on the manual grinder bandwagon because of the requisite elbow grease.

Are you one of them? If so, you’ll be pleased to find that Hario has made a great effort in making grinding easier with this unit.

It also has many other features that make it a great addition to every kitchen counter, cupboard, or traveling bag.

What’s Included?

Inside the box, you will find one rectangular-shaped coffee grinder.

It comes with a rigid plastic body, drawer, and cover.

The grip, hopper, and washers are also made from plastic, but of a different kind.

In contrast, the locking screw, handle, grind adjuster, shaft, and shaft stopper are stainless steel.

The suction and lever cover feature silicone rubber.

However, the main feature is the burr, which is made out of sturdy ceramic material.

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Overview of the Features

The Hario Clear Coffee Grinder comes with all the features that most coffee lovers are looking for in a manual grinder.

It also has a few surprises that will make an even better case for this product.

Here’s a closer look at what makes it a great choice if you are in the market for this kitchen tool.

  • Ceramic Burr Grinder

While other brands use metal for their burrs, Hario takes a different route and uses ceramic instead.

This material gives Hario coffee grinders distinct advantages over its competitors.

Firstly, ceramic generates less heat compared to metal during the grinding process.

This feature is important because overheating can burn the oils inside the grounds and give your coffee a bitter taste.

In addition, ceramic is easier to handle for manufacturers, which means it requires lower production costs.

As a result, ceramic burrs are less expensive, making them the better option for budget-conscious buyers.

Compared to blade grinders that crack the beans, ceramic burrs offer a more consistent grind.

With similarly-sized grounds, you will be able to get the most out of every coffee bean in your bag.

  • Suction Bottom

This is where things get a lot more interesting in this Hario Clear Coffee Grinder review.

The Hario Clear Coffee Grinder features a unique suction system at the bottom.

This addition will allow you to secure the grinder to the counter or whatever smooth and hard surface you are using.

Simply turn the lever on the side away or towards you to engage or disengage the suction.

Once the coffee mill is held firmly in place, you can focus on turning the crank handle while grinding.

This means that you would need less muscle power to complete your morning ritual and get your cup of coffee.

  • Acrylic Box

The Hario Clear Coffee Grinder comes with a translucent gray acrylic box body.

This way, you can see inside the device and observe how the internal parts work.

As you can imagine, watching the burr set, container, and hopper while grinding is a great conversation starter.

It will come in handy, especially if you have a fellow coffee enthusiast over.

Plus, it also adds a unique twist to the entire coffee grinding and brewing experience.

  • Convenient Storage and Transport

You will love the Hario Clear Coffee Grinder if you have a very limited kitchen space.

Its handle is detachable, so you can easily remove it when not in use.

Even better, there is a slot on the cover where you can insert the handle for convenient and quick storage.

You can store the grinder easily in this configuration, even if you have a cramped kitchen.

You could also stick it inside your bag whenever you need to travel for work or leisure.

Whether at home or on the road, you can rest assured that your trusty grinder is within reach.

  • Easy to Use and Clean

Using this product is pretty straightforward.

Just remove the nut on top, install the handle, adjust the grind setting, and you are good to go.

All of the individual parts of the Hario Clear Coffee Grinder are easy to remove.

From the suction cup to the hopper-burr assembly, you can quickly pull out each component with a few twists and turns.

Because it’s easy to clean, you can keep your grounds from being contaminated and ensure a flawless cup each and every time.

  • Multiple Adjustment Settings

The Hario Clear Coffee Grinder comes with multiple grind settings, which allow you to enjoy coffee in every way imaginable.

Simply turn the sprocket that adjusts the grind size, then lock it in place with the nut.

The mechanism is not very intuitive, but after a few attempts, you would easily get the hang of it.

  • Unique Design

To say that the Hario Clear Coffee Grinder is unique would be an understatement.

Even before you hold it in your hands, its box-shaped profile will immediately jump out at you.

The hopper has a large opening that will make it easier for you to pour the beans.

Aside from the hopper, the suction is another element that makes it stand out.

Overall, it has a number of distinctive features that give it functional and aesthetic advantages over its competitors.

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How To Use the Hario Clear Coffee Grinder

The Hario Clear Coffee Grinder is relatively easy to use, even if you are new to milling your own beans at home.

You’ll simply have to remove the lock nut on top so that you can install the handle.

Before you do, make sure that the grind adjuster is set to your preferred grind size.

You can do this by removing the adjuster lock, turning the sprocket-like mechanism, then locking it again in place.

You might have to familiarize yourself with this feature to eliminate all the guesswork involved.

However, once you get the hang of it, you can consistently achieve the grind size that you want.

After setting the size and installing the handle, you can pour in the coffee beans.

Next, install the lid and start grinding. The grounds will fall into the drawer as you turn the handle.

You can simply pull it out after grinding.

From there, you can start brewing and, in no time, take satisfying sips of good homemade coffee.


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If the box-shaped profile is too weird for you, don’t worry. Hario has many other products in its selection for you to choose from.

A good alternative to the rectangular grinder is the Skerton Pro.

It is one of the most recognizable manual coffee grinders in the market, and for good reason.

It features the familiar ceramic burr system housed in a round heatproof glass body.

Plus, it is compact and boasts a modern design.

Just keep in mind that the Skerton Pro comes with a slightly higher price tag.

Is the Hario Clear Coffee Grinder Any Good?

If you want to elevate your home brewing experience, you need a reliable coffee grinder.

You will be hard-pressed to find a more reliable product than the Hario Clear Coffee Grinder.

It features a durable and heat-resistant ceramic burr system, a suction cup bottom, and a reasonable price tag.

All these things, combined with other standard features, make it a great addition to any coffee corner.

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