Sand is not a good substitute for rock tumbler grit because it is not as hard, usually has rounded particles, and running it in a tumbler for extra time will have a higher electricity cost than the savings on grit.
2 Rock Tumbling Grit (Silicon Carbide Abrasive 120/220 Grit
Best rock tumblers 2024: Beginner & professional options
HIGH QUALITY - 2 pounds of 60# Silicon Carbide Grit. Compatible with ANY BRAND OF Rock Tumbler. Rock tumbling grit for Step 1, provides initial
2 lbs Rock Tumbler Grit for Step 1 Tumbling Stones, Tumbler Media Grit,Rock Polishing Grit Media, Works with Any Rock Tumbler, Rock Polisher, Stone
Black Silicon Carbide Lapidary Rock Tumbling Grits
Can I use sand in my rock tumbler?
Best Rock Tumbler Grit - How to Use & Where to Get It For Rock
No Tumbler Polished Rocks DIY with Envirotex Lite Resin Spray
Can you use sand instead of silicon carbide in a rock tumbler
I got a rock tumbler and after going through the four phases, the
Best rock tumblers to buy in 2024 - rock polishers for beginners
Tumbling Rocks, 60/90 Grit vs Sand. Which is Better?
Rock Tumbling 101: Beginner's Guide to Polish Rocks - AB Crafty
Sand Blasting Grit Rock Tumbling Hobby
VEVOR Rock Tumbler Kit 1lb Rock Polisher Rough Gemstones 4
How to Use a Rock Tumbler and the 4 Steps of Grit and Polish : 3