HCA: Hermit Crab Association

I'm moving from a 10 gallon tank to a 20 gallon long and have some questions I hope some of you can answer. I want to put a background on the new tank because I didn't have one on my old one. How do you put a background on AND have a under tank heater? I noticed that some put the under tank heater o...

So I just ran into my first mold problem today. I was saying goodbye to my hermits when I noticed white fuzzy hairs dangling from their climbing net and immediately went to the index to find out what it was. Came to the conclusion that it was in fact mold and took them out to start cleaning things. ...

Thanks!

Any tips for keeping sand out for the sink drain? I can't always go outside to wash the food and water dishes with the hose. I was wondering if anyone came up with a filtering hack or something for washing them in the sink.

Thanks for the responses. I'll add more substrate, but I'm not sure if it's right to pour the substrate on top of the crab because I can't pick them up and move them in fear of stressing them out.

I just got two new Purple Pinchers and am following the PPDS method (post purchase death syndrome). The method is a one month plan to reintroduce the hermit crabs to their ideal conditions and recover from the stress of being in the pet store. The method requires about an inch of substrate in the ta...