Cannabis Grinder Reviews
Compare our top-pick cannabis grinder against budget and upgrade options: build quality, teeth, screens, cleaning, shipping, and returns.

To clean a cannabis grinder, disassemble it and soak the metal parts in 90% isopropyl alcohol for 30 minutes. Then scrub with a small brush, rinse with warm water, and let everything dry completely before reassembling. For stubborn resin, use a toothpick or a dedicated grinder tool to gently scrape the teeth and screen.
Regular cleaning keeps your grinder working smoothly and preserves the flavor of your herbs. Here are the key features of a properly cleaned grinder:
how to clean a cannabis grinder
Most cannabis grinders are made from aluminum, stainless steel, or titanium. Aluminum is lightweight but can be damaged by harsh solvents, while anodized coatings offer protection. Stainless steel is durable and corrosion-resistant, making it ideal for alcohol cleaning. Avoid cleaning acrylic or plastic grinders with alcohol, as it can cause clouding or cracking. Always check your grinder's manufacturer guidelines before using any solvent.
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Clean your grinder every 2-4 weeks with regular use, or whenever grinding becomes difficult or resin buildup is visible.
Yes, 90% or higher isopropyl alcohol is safe for metal grinders. Soak parts for 30 minutes, then scrub and rinse. Do not use on plastic or acrylic.
You can use warm soapy water and a stiff brush for light cleaning, but alcohol is best for dissolving resin. Vinegar can also work as a milder alternative.
Compare our top-pick cannabis grinder against budget and upgrade options: build quality, teeth, screens, cleaning, shipping, and returns.
Compare a cannabis grinder vs blender for CBD flower. Learn why a grinder is the better pick for consistent, potent results, plus when a blender works.
A simple cannabis grinder maintenance kit and routine that keeps teeth sharp, threads turning freely, and screens sifting full-flavored kief.