I think i'm a bad crab holder because I really don't have a good tank setup right now all i have in my tank is store bought water bowl and the water itself. store bought food bowl don't worry i never ever used the store bought foods so i fed them well. and got only eco earth as their substrate and store bought fake reptile plant and that was it. and what i did which i shouldn't ever do but had to do it to save my crabs was to give them the humidity they needed. the eco earth was drying up which made their humidty go low to I dig them out and pour 2 1/2 water in the substrate and stir. here's a list that i'm trying to get for my ten gallon tank: play sand salt water more fake plants a cholla wood in crab addicton store also an hemp net. An humidifire(that i wouldn't know how to use. so i'm going to need help for that) that is all i'm thinking of other than moss too that is all need. this is what i have already: a log some fake plants, but they have wire in them (which i am angry at it's very hard find just plain pure plastic plants these days :scream so i am thinking is going to craft store will they have pure just plastic plants there? and the ones that i have already that i've told you in the paragraph.