HCA: Hermit Crab Association

If 3 of my 4 crabs are buried, when do I change my substrate? It’s only been a month but I just want to be ready. If they are still buried when it’s time to change it, do I dig them up or leave them be and change it when they aren’t buried anymore?

Awesome. Thanks

Hey. On Friday I got my daughter 4 small hermit crabs. In less than a day, they all have buried themselves in the Eco Earth. One, we think and hope, has already changed shells. 10 gallon tank, temp around 78, humidity +-80, 6” of Eco Earth. I’m just wondering how long they will stay underground. I k...