HCA: Hermit Crab Association

I found that if one dies (oops my bad) it seems the other Isopoda would deal with it too... Idk how but the little white body just vanished. About the silica/salt debate, I used the same mix from my crabitat tank that I use for my wood lice/isopods. Do they get hurt/burnt from the salt? If the crab...

I know about the benefits of woodlice in a crabitat, and I want to add some, but I used a lot of salt water to hydrate the soil (2 cups of salt to 5 gallons of water [the substrate is 1:1 of sand and coconut]) and I want to know how well they'll do in that, since I don't want a few dozen dead bugs i...

Okay, so how would I heat a tank if I have a glass lid? Should I put the light fixture on a stand a few inches above the glass lid? Does the heat in the tank come from the bulb or the light itself? Or if I got a screen lid, how should I keep the humidity stable?

I had a bag of Instant Ocean (Reef Crystals), and it hardened apparently. It's still usable as I can easily scrape it out and dissolve it, I was just wondering if it was still safe to use for my hermies, and if there's anyway to desolidify it.