Best Rock Tumbler Grit

Peter | 27-08-2025

Searching for the best Best Rock Tumbler Grit from top brands like NATIONAL GEOGRAPHIC,Polly Plastics,WKTURN,MJR Tumblers,LARICEO, but unsure where to start? We’re here to help. After extensive research, we’ve selected the top Best Rock Tumbler Grit and also created a buying guide to assist you in choosing the right one.

We evaluated and tested numerous top-rated products to compile this list of standout Best Rock Tumbler Grit. Our top recommendation is NATIONAL GEOGRAPHIC Best Rock Tumbler Grit because of its unmatched performance, quality, and value. However, we have more great options below if you want to explore further. Check out our buying guide as well for expert tips on selecting the ideal Best Rock Tumbler Grit to suit your needs and budget. With our research backing you, finding your perfect match will be easy.

Editor's Choice
Polly Plastics Rock Tumbler Grit and Polish Refill & Ceramic Tumbling Filler Media - Silicone
Polly Plastics Rock Tumbler Grit and Polish Refill & Ceramic Tumbling Filler Media - Silicone
Premium Pick
WKTURN Rock Tumbler Grit Set, Rock Tumbler Grit Polish Refill - 4 Basic Step Tumbling Media
WKTURN Rock Tumbler Grit Set, Rock Tumbler Grit Polish Refill - 4 Basic Step Tumbling Media
Budget Pick
Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide
Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide

Top 10 Best Rock Tumbler Grit

We researched and compared the top products in the Best Rock Tumbler Grit category to provide you with these recommendations.

1. NATIONAL GEOGRAPHIC Rock Tumbler Grit - Rock Polishing Grit Media, Polish Up to 20 lbs. of Rocks,

NATIONAL GEOGRAPHIC Rock Tumbler Grit - Rock Polishing Grit Media, Polish Up to 20 lbs. of Rocks,
7.9

National Geographic

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  • HIGH QUALITY - This rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on up to 20 lbs. of rocks, gems, glass, and more
  • EASY TO USE FOUR-STAGE ROCK GRIT - The first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre-polishes rocks, and the fourth provides the final polish
  • COMPATIBLE WITH ALL TUMBLERS - This complete 4-step rock tumbler grit refill kit works with all rock tumblers. For best results, use with National Geographic Rock Tumblers and rock tumbling supplies
  • EASY TO MEASURE AND STORE - Each rock tumbling grit stage is packaged in a wide-mouth container with secure, screw-top closure.
  • HIGH-QUALITY EDUCATIONAL TOYS - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is anything less than extraordinary, let us know so we can make it right for you!

2. Polly Plastics Rock Tumbler Grit and Polish Refill & Ceramic Tumbling Filler Media - Silicone

Polly Plastics Rock Tumbler Grit and Polish Refill & Ceramic Tumbling Filler Media - Silicone
9.5

Polly Plastics

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  • PUT A DAZZLING POLISH ON YOUR ROCKS with Polly Plastics rock tumbler grit and polish refill. Our one-of-a-kind rock polisher kit contains four different kinds of grits to provide initial shaping, smoothen the rock surface, pre-polish the rocks and finally polish the rocks for a professional-looking finish. Great for kids and adults alike.
  • PACKAGE INCLUDES - 1 lb. 60/90 coarse silicon carbide grit, 1 lb. 180/220 medium silicon carbide grit, lb. 500 fine silicon carbide, lb 1200 aluminum oxide polish, 1.5 lbs. non-abrasive ceramic filler cylinders and an easy-to-follow instructions manual. Polly Plastics also have 2-pack grit and polish refills available for each stage of the rock tumbling process, refills of our ceramic media and many more rock tumbling products. Check out our storefront.
  • GRIT SOLD BY WEIGHT NEEDED FOR EACH STEP Steps 1 & 2 are 1 lb. each and steps 3 & 4 are lb. each, but all are sold in the same size jars for packaging consistency. The different weights, along with different densities, will mean that jars of rock tumbling grit will not have equal amounts of fullness.
  • WORKS WITH ALL ROCK TUMBLERS - For ease of use and convenience, our rock tumbling grits work with all brands of tumbler. Our rock tumbler grit and polish kit is ideal for use in a 5 lb. tumbler or five 3 lb. tumblers. Premium rock polishing grit kit - Made in the USA.
  • CERAMIC FILLER MEDIA to cushion soft, delicate and brittle rocks: Ensure your precious stones remain unscathed while tumbling. This tumbling grit kit includes 1.5 pounds of small, angle-cut ceramic rock tumbler media that fill gaps between rocks to protect and pillow your rocks during tumbling - a great alternative to plastic pellets. The ceramic filling media can be washed and reused over and over.

3. WKTURN Rock Tumbler Grit Set, Rock Tumbler Grit Polish Refill - 4 Basic Step Tumbling Media

  • Complete Professional Rock Tumbler Grit KitWKTURN rock polishing grit set comes with a 5-step grit kit and filler, from coarse grit, medium grit, pre-polish grit, to final polish grit, to ultimate polish colour lifting media. Polishing your rock, glass and gems with ease
  • Easy to useStage 1 coarse grit to initially shape the raw stone; stage 2 medium grit to smooth the surface of the stone; stage 3 pre-polished stone; stage 4 final polish to get your own stone. The fifth stage, the ultimate colour lift, gives your stone a brilliant finish
  • Easy To StorageEach step of the rock polishing supplie is packaged in a reusable bottle container, making it easier to store than bag packaging and preventing mess. Comes with a small spoon for easy use
  • Beginner FriendlyWhether you are a professional rock tumbler or a beginner, warm instructions are provided. Rock tumbler grit and polish refill,universal grit, compatible with all rock tumblers
  • Satisfaction GuaranteeOur rock tumbling grit kit, elegantly packaged, is designed to be a gift for children. As an educational toy accessory, We provide after-sales service, so buy with confidence,rock tumbler media. Roll over and have fun with it

4. Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide

Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide
8.9

Mjr Tumblers

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  • Extreme Polish! Every rock tumbling kit from MJR Tumblers comes with our Exclusive 12,000 Grit Sub Micron Extreme Aluminum Oxide Polish! No other polish even comes close to our results. If you want the best, MJR Tumblers 12,000 Grit Aluminum Oxide Extreme Polish is what you need!
  • MJR Tumblers is a Disabled and Veteran Owned Company!
  • Premeasured and works with all rotary and vibratory tumblers. All 4 Stages are premeasured for your tumbler, just pour and roll! It Cant get easier than that!
  • Each 3lb kit contains the following: 3oz of course 60/90 silicon carbide grit, 3oz of fine 120/220 silicon carbide grit, 1.5oz of pre polish 400/600 silicon carbide grit, 1.5oz of MJR Tumblers Exclusive 12,000 grit Extreme Aluminum Oxide Polish
  • MJR Tumblers is Proud to be an American company located in Pecatonica Illinois in the good ole USA!
  • Free, easy to understand rock polishing instructions with lots of tips and tricks are included with every purchase from MJR Tumblers!

5. 3LB Rock Tumbler Grit and Polish Refill Set, 4-Step Professional Polish Rock Tumbler Grit to Unlock

3LB Rock Tumbler Grit and Polish Refill Set, 4-Step Professional Polish Rock Tumbler Grit to Unlock
8.7

Lariceo

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  • High Quality: Our rock tumbling grit is made from premium materials, ensuring durability and long-lasting performance. It's not only a great tool for rock tumbling enthusiasts but also an excellent educational toy for children. You can trust that our product will deliver excellent results every time.
  • Easy to Use: Our Rock Tumbler Grit and Polish Refill is designed to provide a smooth and polished finish to your rocks. With four stages of grit, You can effortlessly achieve the desired brilliance
  • Compatible with All Tumblers: Whether you have a small or large rock tumbler, our rock polishing grit is compatible with all types of tumblers. You can confidently use our product with any brand or model.
  • Packaging Contents: 1 lb. of 60/90 coarse silicon carbide grit, 1 lb. of 180/220 medium silicon carbide grit, 2/1 lb. of 500 fine silicon carbide grit, 2/1 lb. of 1200 aluminum oxide polish, along with a user-friendly instruction manual and a spoon.
  • AFTER-SALES SERVICE: We strictly bottle by weight, so there are two bottles that are half-filled.If you are not satisfied with our rock tumbling grit and polish refill kit, please feel free to contact us and we will try our best to solve your problem.

6. 4.5LB Rock Tumbler Grit and Polish Refill Set, 4-Step Professional Polish Rock Tumbler Grit to

4.5LB Rock Tumbler Grit and Polish Refill Set, 4-Step Professional Polish Rock Tumbler Grit to
8.5

Lariceo

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  • High Quality: Our rock tumbling grit is made from premium materials, ensuring durability and long-lasting performance. It's not only a great tool for rock tumbling enthusiasts but also an excellent educational toy for children. You can trust that our product will deliver excellent results every time.
  • Easy to Use: Our Rock Tumbler Grit and Polish Refill is designed to provide a smooth and polished finish to your rocks. With four stages of grit, You can effortlessly achieve the desired brilliance
  • Compatible with All Tumblers: Whether you have a small or large rock tumbler, our rock polishing grit is compatible with all types of tumblers. You can confidently use our product with any brand or model.
  • Packaging Contents: 1 lb. of 60/90 coarse silicon carbide grit, 1 lb. of 180/220 medium silicon carbide grit, 2/1 lb. of 500 fine silicon carbide grit, 2/1 lb. of 1200 aluminum oxide polish, along with a user-friendly instruction manual and a spoon.
  • AFTER-SALES SERVICE: We strictly bottle by weight, so there are two bottles that are half-filled.If you are not satisfied with our rock tumbling grit and polish refill kit, please feel free to contact us and we will try our best to solve your problem.

7. 8 LBS Large Weight Rock Tumbler Grit Kit and Ceramic Tumbling Filler Media -Coarse/Medium

8 LBS Large Weight Rock Tumbler Grit Kit and Ceramic Tumbling Filler Media -Coarse/Medium
8.3

Sackorange

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  • Pack with 6 LBS Rock Tumbler Grit Kit and 2 LBS Ceramic Tumbling Filler Media. Our universal grit is designed for any rock tumbler.
  • CONTAINS - 2 lb. 60 Coarse Silicon Carbide Grit, 2 lb. 220 Medium Silicon Carbide, Grit, 1 lb. 500 Fine Silicon Carbide, 1 lb 1200 Aluminum Oxide Polish
  • This is a large amount of each size grit for the price. This kit comes with enough grit to complete approximately 16-20 lbs of rocks. This kit contains 2 lbs 60 Coarse Silicon Carbide Grit, 2 lbs 220 Medium Silicon Carbide Grit, 1 lb. 500 Fine Silicone Carbide Grit, 1 lb. 1200 Aluminum Oxide Final Polish Grit. COMPATIBLE WITH ALL BRAND TUMBLERS.
  • Nice hard plastic jars with lids Bottle caps are very secure. Definitely they will not leak. Use the amount you need and set it back on the shelf for the next round. A scoop is included for the correct dose. No need to pour the material out, which possibly make a mess while doing so. They are neatly packaged and easy to read labels. Tip: you could put your tumbler on a foam pad to eliminate noise
  • he final polish in this kit is aluminum oxide which is what the professional use (as opposed to silicon carbide), making sure that you can achieve a wet polished look. If you are expecting nice shiny stones you will have to run the last stage. The aluminum oxide is what really makes them shine

8. 3 LBS Rock Tumbler Grit Set, Rock Tumbler Grit Polish Refill - 4 Step Tumbling Media (Coarse/Medium

3 LBS Rock Tumbler Grit Set, Rock Tumbler Grit Polish Refill - 4 Step Tumbling Media (Coarse/Medium
8

Sackorange

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  • Amount of GritThis is a large amount of each size grit for the price. This kit comes with enough grit to complete approximately 16-20 lbs of rocks. This kit contains 1 lbs 60 Coarse Silicon Carbide Grit, 1 lbs 220 Medium Silicon Carbide Grit, 0.5 lb. 500 Fine Silicone Carbide Grit, 0.5 lb. 1200 Aluminum Oxide Final Polish Grit. COMPATIBLE WITH ALL BRAND TUMBLERS.
  • 4 StepsBe Patient. There are 4 total cycles, 7 days each to have pretty rocks / gems. Step 1, 60 Coarse Silicon Carbide Grit. Step 2, 220 Medium Silicon Carbide Grit. Step 3, 500 Fine Silicone Carbide Grit. Step 4, 1200 Aluminum Oxide Grit. Just measure in the grit, add enough water to cover the stones, seal the barrel, and tumble. The only variable is how much of the product to use in your rock tumbler. We suggest 2 tbsp of grit per pound of stones, which is a good rule of thumb.
  • Jars, Labels & a ScoopNice hard plastic jars with lids (as opposed to plastic bags). Bottle caps are very secure. Definitely they will not leak. Use the amount you need and set it back on the shelf for the next round. A scoop is included for the correct dose. No need to pour the material out, which possibly make a mess while doing so. They are neatly packaged and easy to read labels. Tip: you could put your tumbler on a foam pad to eliminate noise.
  • Professional MaterialThe final polish in this kit is aluminum oxide which is what the professional use (as opposed to silicon carbide), making sure that you can achieve a wet polished look. If you are expecting nice shiny stones you will have to run the last stage. The aluminum oxide is what really makes them shine (providing you have done everything else correctly).
  • If you dont get the satisfactory polished stones or there is anything else you are dissatisfied with, please contact us by E-mail, and within 24 hours,

9. Dan&Darci Rock Tumbler Grit Refill Kit - 3.5 Pounds Grits Media + Poly Plastic Pellets - Rocks

Dan&Darci Rock Tumbler Grit Refill Kit - 3.5 Pounds Grits Media + Poly Plastic Pellets - Rocks
7.9

Dan&darci

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  • Complete rock tumbling medium kit: 3.5 lbs. 4-step grit set and poly plastic pellets, to polish any rock. Packaged in easy-to-use-and-store bottles
  • Includes: Step #1 Coarse Grit (1 lb.), Step #2 Medium Grit (1 lb.), Step #3 Pre-polish Grit (1/2 lb.), Step #4 Grit (1/2 lb), Polypropylene Plastic Poly Filler Pellets (1/2 lb.), Instruction Guide
  • Compatible with all rock tumblers: Can be used in tumblers from any brand: Dan&Darci, Elenco, Lortone, National Geographic, Smithsonian, Thumler and more
  • Easy to use: Includes a clear instruction guide on how to use the grits and plastic pellets.

10. Wirejewelry 4 Step Rock Tumbler Abrasive Grit and Polish Kit, Single Batch

Wirejewelry 4 Step Rock Tumbler Abrasive Grit and Polish Kit, Single Batch
7.7

Wirejewelry

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  • 1 Batch, 4 Step Abrasive Grit & Polish Kit
  • Kit includes Coarse Grit, Medium Grit, Pre-Polish and Final Polish
  • Easy to Follow Step by Step Instructions
  • Grit is Premeasured & Packaged in Convenient Single Use Tear Packs
  • Grit Batch Size is Based on 3 Lbs Capacity Barrels, for Smaller Barrels Use Half of the Packet

Peter

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