Why is my hermit crab eating alot? Then digging? Is she molting?

My hermit crab ate a bunch then dug a hole. Is she molting?If so what should I do to keep her alive. Do I need to Put food and water down there with h

My hermit crab ate a bunch then dug a hole. Is she molting?
If so what should I do to keep her alive. Do I need to
Put food and water down there with her. And I have rocks not
sand.Please tell me what I should do!

or:My hermit crab ate a bunch then dug a hole. Is she molting?If so what should I do to keep her alive. Do I need to Put food and water down there with her. And I have rocks not sand.Please tell me what I should do!


or:There is no male i could only get one. Should I just sprinkle water and salt water and food down therebecause she is not under the rocks she just dug to thebottom and has stayed there. Thx!

Tags:hole,crab,hermit,