Have you ever wondered how much it costs to run that mesmerizing rock tumbler sitting on your workbench? Those gravelly sounds and smooth gemstones don't come free. While rock tumbling can be an entertaining hobby, the electricity costs can add up if you're not careful. The good news is that there are ways to minimize the power usage of your rock polisher. With some simple … [Read more...] about How Much Electricity Does a Rock Tumbler Use: All You Need to Know