Harbor freight vibratory tumblers say right on them (at least now they do) not to be used to polish rocks or to be used with any wet media. Their vibratory tumblers are strictly for use with dry media such as walnut husks to remove rust from parts. I wish it was more clearly written on the box.
I think that the machine featured is for metals and why it failed. BUT, I could be wrong. Thank you for showing your experience with an honest explanation of the many errors with this batch. It helps people learn!
