National Geographic GemFoam Reusable Rock Polisher for Rock Tumblers Reusable Polishing Foam, Adds Shine After Grit Cycles, Rock Tumbling Media, Works with Tumbled Rocks and Minerals

A BRAND NEW WAY TO MAKE TUMBLED ROCKS SHINE GemFoam is a unique new rock polishing media that delivers exceptional shine to tumbled rocks. Simply add the patent-pending rock polishing media to your tumbler after the final grit cycle for outstanding results! A LITTLE GOES A LONG WAY Add a pack of GemFoam to your rock tumbling arsenal and use it for multiple tumbling projects. GemFoam is reusable for up to 6 rock polishing cycles and comes with a convenient reusable mesh bag for easy storage. WORKS WITH ANY ROCK POLISHER - GemFoam is safe to use with any durable tumbler.

For best results, use with our National Geographic line of tumblers and rock tumbling supplies, like our ceramic media, tumbling grit, and rock refill packs. EASILY IMPROVE YOUR ROCK TUMBLING RESULTS - When your final rock tumbling grit cycle is complete, add GemFoam, water, and the rocks you'd like polished back to the tumbler and tumble up to 3 days. Rocks will come out with polish and shine!