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How To Clean A Grinder: Steps By Steps

After a few weeks of continuous use, you notice that your cannabis grinder works slowly and makes occasional small hums. These signs show that your computer contains a large number of trichomes. In other words, debris has filled the working cavity and interfered with the regular operation of the device.

To restore your mill to its original capacity, perform a routine cleaning procedure. How to clean a grinder? There are many methods to help you remove leftover knives from your computer; you can refer to this article. Let’s get started. 

Materials needed to clean the grinder

Materials needed to clean the grinder
Materials needed to clean the grinder

Once the job is done, the grinder will be with small plants, kief powder, or resin. These tiny pieces are difficult to altogether remove without the help of the following items:

  • Alcohol

  • Freezer

  • Zip bag, cup, or glass to fit blender

  • Towel

  • The brush head is small and hard

  • Soap

  • Water

  • Pot

  • Fire stove

Note, you do not necessarily have to prepare all the above tools. You rely on the clean process you use to prepare valuable items.

How to clean a grinder?

Cleaning the grinder looks simple at first glance, but when it comes to doing it directly, there are many hassles. If not done correctly, you may not be able to obliterate debris. Effective ways to clean your blender that you can try:

Clean the grinder with alcohol

Alcohol is a familiar ingredient in cleaning and disinfecting. So when using this solution to remove debris in the blender, how to achieve high efficiency? Please follow the steps below:

Step 1: Remove the grinder parts

First, you need to disassemble all the parts of the crusher. In the process of dismantling, you need to take advantage of collecting a few remaining plants. It would be best if you tried to get all the broken pieces out. Not only will this help you manage more food, but it will also help keep the compartments cleaner. That way, your next steps will be more straightforward.

Step 2: Soak in wine

When you have finished disassembling the machine, you take the previously prepared container, a zip bag, cup or glass jar. Anything that is available at your home and fits the device.

Next, you take the device and put it in the container. Then, you pour alcohol into the container until the drink covers all sides of the cutter, then stops.

After pouring, you leave it like that for 20-30 minutes. This soaking process will help the alcohol penetrate deep into the nooks and crannies of the machine and disintegrate the plant residues. Thanks to that, you can altogether remove the impurities on the device.

About 10 minutes after soaking, you stir the machine parts to create movement between the device and the work. This movement helps the solution penetrate deep into the edges of the mill and promotes plant decay.

Step 3: Scrub the grinder

At the end of the soaking time, take out the engine compartments and use a brush with stiff bristles to scrub. You scrub every nook and cranny of the machine. hard-to-clean areas need a longer and more thorough cleaning. Flexible brushing movements horizontally and vertically to push out all plant debris.

Step 4: Rinse and dry

After scrubbing, you use clean water to rinse the machine. After one wash, you see that the crushed particles have not entirely washed away, then continue scrubbing. You keep repeating like this until the device is clean.

After washing, use a towel to dry. Make sure your device is dry before storing it to avoid oxidation.

For more details, you can check out this video below: 


Cleaning the grinder by freezing

Cleaning the grinder by freezing

Besides alcohol, you can clean the saw by taking advantage of the family refrigerator. Proceed as follows:

Step 1: Remove the device

You cannot wash off all the dirt if the machine is still intact. So disassembling is the first step to take. After removing all the compartments, empty any remaining plant residues.

Step 2: Put in the freezer

Next, you put the device in the refrigerator’s freezer for about 30 minutes to 1 hour. Placing the blender in the freezer will cause the knife to harden and clump instead of sticking to the wall. Thanks to this hard texture, it will be easier to get your residue out.

Step 3: Use brush to clean

After the incubation period is over in the freezer, take the blender out and smash each part of it against a hard surface. This action will help the frozen debris fall off and save you a significant amount of Kief.

When you feel that Kief is no longer falling off by pounding, you switch to a brush to sweep. Insert the meeting deep into the grooves and teeth, these areas are often difficult to clean, so you need to sign more.

Step 4: Wash and dry

When you have finished sweeping the last debris, you use water to rinse for the last time. Then, you use a clean towel to dry it before storing it.

Clean the grinder with soap & water

Clean the grinder with water

Soap is still a proper cleaning agent in any case. In this case, you should not ignore it either.

Step 1: Remove the device

First, you take apart the grinder parts and get as many Kiefs out of the device as possible. When no more residue can be removed, you move on to the next step.

Step 2: Soak in warm water

You pour a large amount of warm water into the basin. Then, you put the parts of the machine in a bowl of warm water and wait for a few minutes.

Step 3: Use soap to scrub

After a few minutes, remove the device from the warm water and put soap on the compartments. You use a complex and small brush to scrub all sides of the engine compartment gently. Because soap is slippery, residues are removed very quickly and very cleanly.

Step 4: Rinse with water

After scrubbing, you use water to wash away the soap and dirt. Wash until the engine compartments are free of debris. Continue to dry with a towel and store in storage.

Clean the grinder by boiling

Clean the grinder by boiling
Clean the grinder by boiling

Cleaning the mill by boiling is one of the reasonably common ways. The method is simple but very effective.

Step 1: Freeze

When boiled, the amount of Kief you want to save will lose its effect. So, freezing before putting in a pot of boiling water will improve somewhat.

Step 2: Bring to a boil

After freezing for a while, heat the blender for another 5-10 minutes. You should not heat too high for a long time if you don’t want to waste freezing time and leftover kief.

Step 3: Use a paper towel to wipe

After boiling, remove the grinder from the boiling water. Use a dry cloth to clean the corners of the machine, especially the areas with many grooves and serrations.

This method of cleaning by boiling is for plastic machines. Metal machines, when applying this method, may rust. 

Why should you clean the grinder?

Any item needs to be clean after a period of use. Because cleaning helps it operate, prolongs its life, and prevents bacteria from arising to protect the user’s health.

Keeps you from getting sick

The debris from the cannabis plant that has been in the machine for a long time will react with the air. Even though they have been dry, the process is sure to happen.

When decomposition begins, bacteria will multiply. Long periods are also a good time for those nasty bacteria to grow. If not cleaned in time, they will stick to the machine walls, creating stains that are difficult to clean.

It not only unsightly the device but also poses a severe risk of infection. This layer of bacteria will stick to the Kief you puree later. Using products contaminated with bacteria will cause a lot of serious consequences.

Keeps the machine running smoothly

Periodic cleaning of the mill will remove plant debris from the grooves at the root. Thanks to that, the compartments are not entangled, so the operation is very smooth.

Smooth running is what makes your cannabis crushing faster. The crumbs, after grinding, will also be more delicate.

Increase the life of the machine

Using the grinder for a long time will quickly see the grinding teeth dull; the system is stiff and slow. This sign shows that you will have to invest in a new machine, which means it will cost a fortune.

This situation happens more quickly if your machine is not clean regularly. No matter how expensive a device is, this degeneration cannot be avoided if it is not maintained.

For that reason, regular and periodic cleaning is a must to protect the device and keep it in good working order for a more extended period.

How often should you clean the grinder?

Appropriate Time To Clean
Appropriate Time To Clean

Cleaning the grinder will depend on how often you use it. If you use it often, you need to clean it more often. However, if you only use it 1 or 2 times a month, you should not scrub too much. Simply put, too much of anything is not good.

Metal equipment, when in constant contact with water and not thoroughly dried, are prone to rust. Once oxidized, it is no longer safe for you to grind cannabis.

Therefore, a reasonable time for you to clean the crusher is about every 30 – 60 days. This gap can be closed for those who are too clean and have a lot of free time. Based on personal observation, you are free to come up with a suitable cleaning schedule.

Frequently Asked Questions

The cleaning of the crusher turned out to be nothing complicated. The preparation is straightforward. Besides the above-specialized ways, there are still a few quick cleaning tips with close and available ingredients in the kitchen.

You can use this method when you don’t have a lot of free time or do a quick cleaning before your device’s monthly cleaning time comes.

Can you boil a metal grinder?

Boiling is one of the effective ways to clean the grinder. This method is also quite simple to implement. However, many advise that you should only boil with plastic machines. It does not mean that you cannot use boiling water to clean metal machines.

However, you should only use this approach when no other method can be applied. In case there are more options, you should choose a different way instead of boiling.

Can Kief get mold?

Chiefs are simply plants. Therefore, it is evident that they produce mold when you do not store them carefully. Besides, decay is more likely to arise when you use an unsanitary drunken machine. If this machine is wet or has fungal bacteria, it was evident that the Kief has mold.

Can I clean my grinder with vinegar?

Vinegar is a natural, safe, and effective cleaning ingredient. You can take advantage of it to remove the deposits in the engine compartment. You need to put a few tablespoons of vinegar in a cup of water and stir well. Then, you dip the brush in this solution and proceed to brush every corner of the machine. Very quickly, you will see the dirt has been away.

How do you clean the mesh on a grinder?

After soaking the device in alcohol, the trichomes clinging to the screen will partially disappear. Next, you put the grinder screen into the hot water faucet. A higher-than-normal temperature will help the rest of the trichomes melt. This melted part will cling to the mesh of the screen. At this point, it is more straightforward, and you only need to use water to wash the net once, the last residue will be away.


How to clean a grinder? You can use alcohol or soap; use the hot-cold method. Either way gives good results. So, you need to take advantage of the tools available at home and apply a technique that your machine is clean. In addition, you can combine the two methods for a deeper cleaning when you plan to store the device for a long time without use. Good luck. 

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