I setup machine #2 to run a polish stage on some rocks I bought on whatnot. I'm just running these through to see if I can improve the look of them while machine #1 runs stages 1a, 1b and 2 on my production setup.
Grit and media
https://www.rockshed.com/
Rock tumbler
https://hplapidary.com/collections/rotary-tumblers/products/rotary-tumbler-with-3-1-5-lb-barrels-capacity-110v
