HCA: Hermit Crab Association

Since you've come to the emergency forum, we know you want a fast answer to your question. In order for us to figure out the problem as quickly as possible, we ask that you answer the following questions as best you can. Some of them may seem odd, but they're all designed to give us the information...

i can never smell mold in my tank even when its in plain sight- however, have you checked inside empty shells? my crabs always drag food around and make a mess! have you checked behind the tank for something you may have dropped? there’s no way to really tell for sure if you have mold, to my underst...

i was wondering if you could help me figure something out: how did some of my hermit crabs die? i had a 40 gallon tank with around 13 crabs, which was a bit of overcrowding but i had a nice upgrade planned- (which is a 75 theyre in now)... i had a few crabs go down for a molt and never come back up....