Troubleshooting

Encountering dull stones, bruised edges, gas buildup, or stubborn scratches after weeks of tumbling? Don’t toss out your batch—most tumbling hiccups have simple, repeatable fixes! Our diagnostic guides help you identify exactly where things went off track, from cross-contamination between grit stages to improper barrel fill ratios. Read our complete guide on how to diagnose and fix dull rocks and get your stones gleaming with a showroom finish.