HCA: Hermit Crab Association

Thank you for the tips! I have prime and another dechlorinator for our fish, so I will start using that for the water. I'll pick up instant ocean too! I'll add more shells this week. Hopefully we see them in a few weeks! I'll let them be

Hello! I bought my son 2 hermit crabs from PetSmart almost 2 weeks ago. The crabs buried themselves in the substrate within a day, but there were signs of movement at night. The last week though, I see no evidence of movement in the tank at all. How long do I let them be until I worry? Could they bo...