HCA: Hermit Crab Association

The substrate is a mix of sand and coconut fiber about 3 inches deep. The humidity in the crabitat is usually about 60-65%, the humidity gauge is located in an area far from the water. The thermometer stopped working and I have yet to buy a new one, but since I live in Florida the temperature in the...

I currently have only 1 hermit crab who I bought 2 or 3 years ago. I am aware that she would be much happier if she was in a group, but the 3 hermit crabs that I bought to keep her company all died while molting. What can I do to keep this from happening?

Yeah, they do that. It kind of reminds me of how kids hang upside down on playground equipment.