We test out an ultrasonic cleaner on some polished rocks to see if it can remove white cracks from the polish stage.

To see the video of us tumbling these rocks from start to finish, please check out the link below!
   • POLISHING UGLY ROCKS _ All four stages!  

0:00 Intro
0:10 The problem with crack
0:55 The possible solution
1:40 Starting the cleaner
2:15 How loud is it?
3:10 Results
4:20 Conclusion
5:25 My favorite rock