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The best way to find the best grit for rock tumbling is by taking a look at what other people are buying and which brands they prefer. You can also take a look at the reviews and ratings of the product.

The following table provides concise information about how to pick a product from online:

  • Consider what you want
  • Find out what other people are buying
  • Look at reviews and ratings
  • Compare prices
  • Beware of scams

Top 10 best grit for rock tumbling Features Overview

Here are the of top 10 grit for rock tumbling we picked and recommend.

1. Rock Tumbler Grit Kit and Ceramic Tumbling Filler Media | Polly Plastics (4.5 Pounds Total Weight)

  • COMPLETE KIT – 4 Step grit pack and ceramic filler for use in 15 lb. tumbler or five 3 lb. tumbles.
  • CONTAINS – 1 lb. 60/90 Coarse Silicon Carbide Grit, 1 lb. 180/220 Medium Silicon Carbide, Grit, ½ lb. 500 Fine Silicon Carbide, ½ lb 1200 Aluminum Oxide Polish and 1.5 lbs. non-abrasive ceramic filler cylinders. No need to keep ceramic separate for each stage – rinse and use the same batch through all the tumbling stages.
  • COMPATIBLE WITH ALL TUMBLERS – Use Polly Plastics polishing products in any brand tumbler.
  • PREMIUM POLISHING MATERIALS – Proven to produce a beautiful polish. Made in the USA.
  • BEGINNER FRIENDLY – Complete easy-to-follow instructions included. 100% satisfaction guarantee on all our products.

2. NATIONAL GEOGRAPHIC Rock Tumbler Grit – 3.28 Pounds Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher, Polishes

  • HIGH QUALITY – This rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on approximately 8-10 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
  • SATISFACTION GUARANTEED – The National Geographic STEM series provides high-quality products that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you

3. NATIONAL GEOGRAPHIC Rock Tumbler Mega Refill Kit – 3lbs Gemstones of 9 Varieties Including Tiger’s Eye, Amethyst & Quartz – 4 Grades of Grit, Jewel

  • GEMSTONES OF NINE VARIETIES: Tiger’s Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Black Jasper. (3lb in total)
  • FOUR GRADES OF GRIT: Coarse, Medium, Fine, Polish. Transform your stones from rough rocks to dazzling gemstones!
  • JEWELRY FASTENINGS: 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring. Create custom jewelry from your newly polished gemstones!
  • LEARNING GUIDE: Our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts
  • SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you

4. Dan&Darci Rock Tumbler Grit Refill Kit – 3.5 Pounds Grits Media + Poly Plastic Pellets – Rock Polishing Media – Polish for Any Brand Tumbler – Rock

  • 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.
  • 100% satisfaction guaranteed: Love it, or your money back!  If you are not satisfied with the kit, we’ll refund you 100% of the money, no questions asked.

5. Rock Culture Rock Tumbler Tumbling Media Grit Kit in Heavy Duty Resealable Bags – No Filler Material

  • COMPLETE 4-STEP KIT – The kit contains every variety of grit you need to transform rough rocks into finely polished stones. This includes coarse, medium, fine, and final polishing grit media
  • COMPATIBLE WITH ALL ROCK TUMBLERS – Our kit of grit media can be used effectively with any brand, style, and size of rock tumbler
  • HEAVY-DUTY RESEALABLE BAGS – Our thick-gauge re-sealable bags are designed to securely store the grits for repeated use with minimal mess
  • PROFESSIONAL GRADE GRIT – This abrasive media features the same quality material as used by jewelers
  • QUALITY YOU CAN TRUST – Purchase with confidence. We proudly back our product with a 100% satisfaction guarantee

6. NATIONAL GEOGRAPHIC Rock Tumbler Media – The Ultimate Rock Polishing Supplies Kit, 4 Stage Bulk Rock Tumbler Grit, 1.5 Pounds of Ceramic Pellets,

  • QUALITY GRIT RESULTS IN A DAZZLING POLISH – The rock polishing grit in this pack is high-quality silicon carbide and will polish 8-10 lbs of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage
  • IMPROVE YOUR ROCK TUMBLING RESULTS – Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches
  • BRAND NEW WAY TO MAKE TUMBLED ROCKS SHINE – GemFoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks. Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results!
  • WORKS WITH ANY ROCK TUMBLER – The tumbling supplies in this set are safe to use with any rock tumbler. The tumbling grit, ceramic pellets, and GemFoam together improve rock tumbling performance and yield impressive results
  • 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.

7. Polly Plastics Rock Tumbler Refill Grit Media Kit (3 pounds) | 4-Steps For Tumbling Stones

  • COMPLETE ROCK TUMBLING MEDIA KIT – 4-Step grit pack with 3 pounds of total weight. Our universal grit is designed for any rock tumbler. Get up to five tumble batches from a standard 3lb barrel.
  • PACKAGE CONTAINS – 1 lb. 60/90 Coarse Silicon Carbide Grit, 1 lb. 180/220 Medium Silicon Carbide Grit, ½ lb. 500 Fine Silicon Carbide, ½ lb. 1200 Aluminum Oxide Final Polish.
  • PREMIUM POLISHING MATERIALS – Proven to produce a beautiful polish.
  • MADE IN THE USA – Polly Plastics is an American company with American sourced materials for superior quality control and reduced risk of contaminants.
  • BEGINNER FRIENDLY – Complete, easy-to-follow instructions included with rock tumbling tips. 100% satisfaction guaranteed.

8. MJR Tumblers 5 LB per Polish 60 90 Silicon Carbide Rock Refill Grit Abrasive Media Step 1 USA

  • 5 pounds of 60/90 Graded Silicon Carbide Grit (Step 1)
  • Superior Blend of Green/Black Silicon Carbide
  • Compatible with ANY BRAND OF TUMBLER
  • Comes with FREE Polishing Instructions

9. Fundamental Rockhound Products: 5 lb 60/90 Coarse Rock Tumbling Grit polishing Silicon Carbide

  • Five pounds Coarse size 60/90 silicon carbide grit for rock tumbling.
  • AAA Quality Graded Grit
  • Made in USA

10. Twin Pines Trading Post Rock Tumbler Grit for 15 Pound Tumbler

  • 4 step grit pack and instruction set for one time use in a 15 pound barrel.
  • 1 pound 60/90 Coarse Silicon Carbide Grit.
  • 1 pound 150/220 Medium Silicon Carbide Grit.
  • 8 ounces 500 Fine (pre polish) Silicon Carbide Grit.
  • 8 ounces TXP Aluminum Oxide Polish.


There is a myriad of online stores out there, and it is impossible for one to compare the different grit for rock tumbling as well as their prices since not all websites offer them. Online shoppers often turn to reviews and customer feedback for help, but even these are unreliable sources. Sometimes people post negative reviews just to be spiteful or angry.

The lack of insightful information online forces shoppers to rely on the information they find elsewhere, but this can lead to misinformation and incorrect purchase decisions.

Consumers can save themselves from these potential risks by turning to an AI-powered shopping assistant that provides tailored product suggestions based on their preferences.

But Amazon made the whole process easy and effortless.

Why You Trust Amazon?

As they grow increasingly popular, there are some challenges that people face when they try to purchase something on the internet. There are many reasons why people might not trust Amazon as much anymore:

  • They worry about their personal information being stolen;
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  • Its security features and whether or not their credit card details will be safe
  • The quality of products sold by third parties might not be as good
  • There’s no instant gratification with online purchases;

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