HCA: Hermit Crab Association

Thank you. I was afraid that information was incorrect. I appreciate the help.

Hello. I adopted 3 hermit crabs last year and have successfully kept them in a 20 gallon tank but I’d like to move them to my defunct 100 gallon fish tank but I’m not sure the best way to heat it. The small tank has a UTH attached to the back and wrapped for insulation. I’ve read a humidifier will b...