Extra Coarse Rock Tumbler Grit - What You Need to Know

The person who decided to use 60/90 grit as the first step in rock tumbling was a genius. We found that extra coarse grit can be LESS effective than 60/90.

Rock Tumbler Instructions Directions for Rock Tumbling

The Brave Finder professional rock tumbler kit is a great STEM science kit for adults and kids. It is a complete and ready-to-use rock tumbling machine kit that comes with everything you need to start polishing rocks and gemstones. Simply add rocks, add the grit, and start tumbling to see amazing results. This is an educational and entertaining rock tumbling kit that is perfect for beginners and advanced hobbyists. It is a great way to learn about rocks, gems, and the science behind them.

Brave Finder Rock Tumbler Refill Grit Media Kit, Stone Polisher (3.5 Pounds Polishing Grits + Poly Plastic Pellets), Compatible with Any Brand Tumbler

Sackorange 3 Pounds 4 Bottles Rock Tumbler Refill Grit Media Kit | 4-Steps for Tumbling Stones (4 Grit Assortment) 4 Grit Assortment - 4 Grit

NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit– Extra Large Barrel

Rock Tumbling Guide – ROCK AND TUMBLE

How To Polish Rocks in a Rock Tumbler – Step By Step

Rock Tumbling - SaturnStones

10 lbs Large Weight 4 Step Rock Tumbler Grit Kit, Tumbling Media Refill - Coarse/Medium/Pre-Polished/Final Polish Grit Works with Any Rock Tumbler

Best Rocks for Tumbling: Why Some Work & Others Don't – Rockhound Resource

Polly Plastics Rock Tumbler Tumbling Media Grit Kit & Plastic Filler in Heavy