A complete polishing cycle typically takes 3-4 weeks, progressing through four grit stages. The 7-day digital timer helps you track each stage precisely for optimal results.

Yes, the rubber-lined barrel significantly reduces noise to a gentle hum. Many users run it in bedrooms or living spaces without disturbance, making it ideal for apartments.

The barrel accommodates rocks from pebble-size up to 2 inches in diameter. For best results, use similar-sized rocks in each batch to ensure even polishing throughout.

The energy-efficient motor uses approximately the same power as a standard light bulb, making continuous operation affordable. Expect minimal impact on your monthly electricity bill with regular use.

With adult supervision, children ages 8 and up can safely operate the RotaRoki. The simple controls and secure design make it an excellent educational tool for young learners.

Harder stones like quartz, agate, jasper, and obsidian produce the best results. Softer stones like calcite require gentler handling but can still achieve beautiful polishes with proper technique.

Simply rinse the barrel and lid after each use with warm water. Wipe the motor housing with a damp cloth. Regular cleaning prevents grit buildup and extends equipment lifespan.

Yes, you can pause anytime to inspect progress. However, for optimal results, complete each grit stage fully before advancing to the next finer grit level in the polishing process.