How to clean brass casings with stainless steel shot
Stainless steel pins in a rotary tumbler clean brass casings inside and out. Here is what you need, the steps and the safety basics.
Rock Tumblers – the original AI agent
Fill it, switch it on and let it work for days in the background. The rock tumbler was running like an AI agent long before AI agents existed.
Rock collecting and rock tumbling
Collecting and tumbling go hand in hand. Here is how to pick stones that will polish well, and where to look for them.
How to keep that underwater look after the stones dry
Stones that shine wet but go dull when dry usually have a fixable problem. Here are the most common causes and how to get a lasting gloss.
Innovation in rock tumbler consumables
The common four-pack of grit and polish is only the start. Here is how better blends, finer polish and smarter fillers change your results.
A rock hound’s life
Mountains, deserts, museums and rock shops: the life of a rock hound, where to find your people, and how to collect responsibly.
Rotary or vibratory: choosing a rock tumbler
Rotary tumblers shape rough rock; vibratory tumblers finish shaped stones fast. Here is how to pick, and why many people use both.
The joy of rock tumbling
Find a stone somewhere you love, put it in a machine and wait. A few weeks later, something ordinary comes out glowing.
How long to tumble rocks
Most rotary batches take about four weeks, but your stones set the real schedule. Here is what to expect and how to keep track.
How much grit to use in a rock tumbler
Too little grit stalls a batch and too much turns it to mud. Here is how much to use in each step, by barrel size.