Question1 well I left my hrmit crab for 2 days alone and I came back today and he was fine but i noticed that he hasnt touched his food,water and salt water and im woried.
2what are some good substrates for the cage, is moss ok and can i put up a fishing net that they can crawl on?
AnswerI would recommend that you read this article. It has lots of good information about setting up the crabitat.
http://naturallycrabby.com/home/blog1.php/2007/02/13/before-you-bring-your-crab-...
Poor temperature and humidity are the main reason that crabs go inactive. I would recommend getting your temp and humidity within 72-82 and go from there.
Good luck!!