Herb grinders serve one purpose: to grind herbs to a fine consistency. While it sounds simple enough, grinding is a bit of an art. In other words, you can’t just buy any grinder and expect great results. Some are better than others, and some are just plain terrible.

So, what is the best herb grinder? We’ll get to that in a minute. First, let’s talk about what to look for when buying a grinder.

What to Look for When Buying a Herb Grinder

There are a few thing you want to be on the lookout for when buying a weed grinder. These include:

Number of Compartments

Grinders come with either one, two or three compartments.

  • One compartment grinders have one compartment where the herb is ground and retrieved. Single compartment, or two-piece, grinders are notorious for producing uneven grinds, and retrieving the herb can be difficult because the grinder’s teeth are in the way.
  • Two compartment grinders (or 3-piece grinders) have an additional compartment for easy retrieval and a better overall grind consistency. The first compartment has small holes in the bottom that guide the herb into the second compartment. These holes ensure that only herbs of a certain size get through to second compartment, which creates a nice, even grind.
  • Three compartment grinders, also known as 4-piece grinders, have an extra compartment with a fine screen that further separates the herbs that fall into the second compartment. This final compartment is for pollen or kief.

Two compartment grinders are fine for most herbs, but three compartment grinders offer a better overall grind and are usually the best option for weed.

Materials Used

Grinders can be made from a variety of materials, but the top three are: wood, metal and acrylic. Each type has its own benefits and drawbacks that you need to consider.

Wood grinders look great, but are usually only available with one compartment. If you’re only looking for a one compartment grinder, wood is a nice choice, but raw wood is the best option. If nothing else, you want to ensure that the wood inside of the grinder is unfinished. Stains, paints and other finishes can alter the taste of the herb. Wood grinders are usually not the best option.

Acrylic grinders tend to be the most affordable, so if you’re on a tight budget, this may be your only option. Don’t expect an acrylic grinder to last long, though. Over time, the teeth will wear away and sometimes break. If you’re not careful, you may wind up with pieces of acrylic in your herb. Smoking, vaping or eating herb with acrylic can be dangerous, so many experts recommend staying away from cheap acrylic grinders.

Metal grinders are the preferred option. Most are made of aluminum as this is the most cost-effective metal to use. Aluminum is safe to use when grinding herbs, and these grinders not only last longer, but produce a better grind.

Now that you know what to look for when buying a grinder, let’s take a look at our top three picks along with our detailed grinder reviews.

The Best Weed Grinder – Our Top 3 Picks

1.      Space Case Grinder

space case grinder

You can’t talk about the best grinders without mentioning the Space Case.

Most say it’s the best weed grinder – period, and we agree. With the option of choosing titanium or a polished finish, the Space Case is durable and produces a smooth, even grind that you won’t find with other brands.

Let’s take a closer look at both the Original and the Titanium line to see what each has to offer.

Original Space Case

The Original Space Case comes in both two and four piece options, and in sizes small, medium and large.

The large is 3.5” wide and 3” tall. The medium is 2.5” wide and 2” tall. The small is just 2” wide and 1.75” tall.

All cases in this line are made with aerospace-grade aluminum and feature a magnet that holds together the two pieces. The diamond-shaped teeth will never wear away or dull over time, so you’ll never have to buy another grinder again. The teeth produce the finest grind possible, so you enjoy consistent results.

Titanium Space Case

titanium spacecase

The Titanium line is also available in two and four piece options, and comes in sizes small, medium and large.

The Original and Titanium grinders are nearly identical. The only difference between the two is that the Titanium grinder features an anodized titanium coating.

The titanium coating is non-stick, which makes cleaning a breeze, and offers a sleek look.

The Space Case is one of the most expensive grinders on the market, but they’re worth the investment.

Space Grinders are built with the highest quality materials and will last you decades. While you may pay more upfront, you’ll save money in the long run by not having to replace your grinder all the time.

The Space Case is easily the best rated herb grinder on Amazon, and it tops our list, too.

 

2.      Sharpstone Grinder

Sharpstone Grinder

Sharpstone is another popular hand grinder, and the brand offers a variety of different products to choose from.

Less expensive than our number one pick, Sharpstone is the brand you should consider if you can’t afford a Space Case.

All grinders from Sharpstone offer the following features:

  • Aircraft-grade aluminum.
  • Constructed using the latest CNC technology.
  • Diamond cutting blades for maximum efficiency.
  • Pollen screen made of stainless steel.
  • Powerful magnets for great closure.
  • Thin poly ring ensures a smooth, frictionless grind.
  • Pollen scraper.
  • Protective pouch.

Sharpstone offers four types of grinders and a pollen press.


 

Clear Top Grinders

Clear top grinders are available in two and four piece options, and in sizes 2.2”, 2.5” and 3”. A variety of colors are also available, including: green, silver, black, copper, gold, pink, blue, red and purple. As its name suggests, the grinder’s top is clear acrylic, so you can see your herbs as they grind.

Hard Top Grinders

Sharpstone hard top grinders come in two, four and five piece options, and in 1.5”, 2.2”, 2.5” and 3” sizes. Like the Clear Top grinders, hard tops come in a wide range of colors, including: red, purple, pink, silver, black, blue, gold, copper and grey. Hard top grinders feature a solid metal lid that matches the color of the grinder body.

Specialty Grinders

Sharpstone offers 5 piece, vibrating and push clean specialty grinders for users who are looking for something special or unique.

The push clean grinder is incredibly convenient. With the simple press of a button, this grinder will push all of the ground herb out. Not only does this make retrieval simple and easy, but it also makes cleaning a breeze. The push clean grinder is only available in the two piece option.

The vibrating grinder is unique, and is a smart option for people who grind marijuana. Powered by a lithium ion battery, the vibrating function of this grinder helps sift the pollen into the final chamber. Available in 2.2” size and black or silver, the vibrating grinder costs more, but makes it easier to retrieve the herb’s pollen.

Hand Crank

If you’re looking for an easier way to grind your herbs, Sharpstone’s hand crank grinders may be your best option. Equipped with a heavy-duty hand crank and acrylic clear top, grinding is a breeze, and you can watch it in action.

Sharpstone’s hand crank models are available in both 2.5” and 3” options, and come in the following colors:

  • Blue
  • Black
  • Brown
  • Silver

Sharpstone may not be able to match the Space Case in terms of quality, but they come close. They also offer a wide variety of grinders, sizes and colors, so you can choose one that suits your needs and lifestyle. Cheaper in price, Sharpstone is the best option if the Space Case is out of your budget.

3.      Diamond Grinders

diamond grinder

Diamond grinders are affordably priced, high quality and offer a consistent grind. Made from anodized aluminum, Diamond grinders won’t rush or wear out over time.

There are three four of grinders available:

Two Piece

The brand’s two piece grinders are great for everyday use, and come in three sizes: 40mm, 56mm and 75mm.

Four Piece

Four piece grinders are for more advanced users, and includes a 50 micron screen made of woven stainless steel. The screen catches the larger herb pieces and allows the tiny pollen to sift through to the plate on the bottom. The plate allows you to easily access the pollen and comes with a pollen scraper.

The four piece option comes in eight different sizes: 30mm, 40mm, 50mm, 56mm, 63mm, 75mm, 90mm and 110mm.

Five Piece

Diamond Grind’s tallest and most advanced grinder. The five piece grinder comes with two screens: a standard screen and a coarse screen. This allows for variations in your pollen collection. The coarse screen will catch the larger piece of herb, while the standard screen filters out tiny pollen pieces into the bottom tray.

The five piece grinder comes in three different sizes: 50mm, 56mm and 63mm.

Diamond Grind Shakers

Grind Shakers is a new addition to the Diamond Grinders lineup. It features the same sharp, durable teeth and the pollen screen, but it also features an acrylic window. Now, you can see the grinding action. The window also gives you the opportunity to shake your material for even more aggressive pollen collection.

The Grind Shaker is available in three sizes: 50mm, 56mm and 63mm.

Diamond grinders are a great option for people who want a variety of sizes and options in their grinder. A little more expensive than Sharpstone Grinders, Diamond Grinders are high quality and built to last.

Honorable Mention: Mendo Mulcher

Mendo Mulcher grinders are tough and built to last. Made in California, these grinders come with a lifetime warranty and are built with aircraft-grade billet aluminum.

One of the biggest selling points of this grinder is that it offers twice the number of grind teeth when compared to competitors. They also come with fine, 190 microns screens for serious pollen collection.

Mendo Mulcher is a high quality grinder, but it costs almost the same as the Space Case and doesn’t offer the same level of consistency.

Honorable Mention: Weed Grinder Watch

One other grinder, or grinder type, that I want to mention is the weed grinder watch. There are a few different brands that offer these grinders, such as BeWild and Weed Star. While you can’t expect the same exact quality as, say, the Space Case with these grinders, they are extremely convenient and discreet. If you smoke or vape herbs on the go, this is definitely a grinder you want to consider.

High quality options, like the Weed Star watches, are constructed with aluminum, so you still get a fine, even grind. Just keep in mind that these cost nearly as much as the Space Case or the Mendo Mulcher. That being said, you also get a fully functional watch along with the grinder.

These are the best-of-the-best when it comes herb grinders. Space Case is a user favorite, but Sharpstone and Diamond Grinders are not too far behind in terms of quality. All of these grinders will get the job done, and do it well. The right one for you will depend on your needs and your budget.

 


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