HCA: Hermit Crab Association

But I am worried about the new crab having whatever his old tank mates had. All I know is they both suddenly died within a couple weeks of each other. Are there any mites or anything that could be passed on?

Hello! New crab mom here. I have had my 2 crabs for a week and everything is going well, I have a full tank setup with all the things recommended in the HCA care guide. They are doing well and are looking like they will be molting soon (one is already completely underground). My question is about th...