HCA: Hermit Crab Association

I have two hermit crabs that are both going strong after a year, but I could use some help! I originally went with Quikrete play sand based on recommendations, but the fact that it is carcinogenic via inhalation really concerned me and my family, so I decided to switch to something safer. I know it'...

Thanks a bunch for the tips! With regards to covering the top of the tank, are there any concerns that it would suffocate my poor crab? I also worry that by keeping it covered most of the time, the moist and stagnant air will lead to a lot of bacteria/mold growth. Is this something I need to worry a...

I'm brand new to hermit crabs, and am trying to set up my terrarium to accommodate one. I got a hermit crab on a whim thinking they would be a fun and easy pet, but now that I have realized this is not the case, I'm committed to trying to keep it alive and happy. I have a few questions, mostly aroun...