I also don't keep anything special in their tubs. Just their water dish. Oh, and they're in a rack. I have watched them shed by rubbing against their own bodies in a circular motion. They always have complete sheds so I leave them be.
1.0 normal (Hades)
1.1 pastel (Snatch and Gypsy)
1.0 pinstripe (Capone)
0.1 spider pos het ghost
1.0 mojave (Shrinked)
2.3 kidz
1.0 cat (The Cat)
0.1 Hog Island Boa(BCI) (Calypso)
1.2 rats (Dallas, Pinky and Bella)