HCA: Hermit Crab Association

Table salt is iodonized and of has anti-caking agents. Plain salt is just salt.

Salamanders need cold and wet, and they also cannot handle salt. I doubt it survived for long in a hot crabitat. Between the crabs and normal decay processes, I also doubt you'd find much more than some super tiny bones. It may suprise you and has hunkered down inside of something - a friend had a t...

Carbon can help with smells and some bacterial growth, but once it starts absorbing impurities it doesn't last forever. It's part of the ABG (Altlanta Bontanical Gardens) mix that many amphibian and reptile keepers use, but mostly as a good growth medium for plants. Safe for hermits, but given the c...

I use these to lock my 75 gallon lids down. Two sets on a tank can hold my ball pythons in.

https://www.amazon.com/Exo-Terra-Terrar ... B01F3VJH86

The original shell before it is polished is extremely drab looking, and often channeled. The banding is grinding it down even further to the mother of pearl layer underneath. Those pretty colors that show up and the smooth shine is all man made!

'Shrooms happen. Just yank it out.

15 longs and 20 gallon talls have interchangeable lids and stands and should have the same base.

There's only two sellers in the states - The Bean Farm and Reptile Basics. One of them sells on amazon as well. 90 gallons are a challenge because they are so wide, 18 to 24 inches is a lot of space to heat across from back to front. I do think that one or two big pads would be enough, with some goo...

A 20 gallon tank with a pair or trio of tiny hermits will last you for years! You'll also have more space to decorate, and provide essentials like water pools. You likely won't have much of a choice in species, but if you live somewhere where you're lucky, I would suggest Ruggies. They are a slower ...

Okay yeah, there is a huge difference between oval and round openings. Oval openings are much wider than a comparatively sized turbo, but turbos have much more space inside. You'll often need to downsize when switching.

Not freshwater aquarium salt!!

It has to be a marine salt mix for saltwater fish.

'Freshwater' salt is just a few elements to replace what can be pulled out by water purifying systems on tap water. Saltwater salt replicates ocean water and the 70 or so elements it contains.

Chemicals are hard to remove from sand, so if there has ever been any kind of spills or contamination, there isn't a way to make it safe. Baking will only take care of living things like bugs and bacteria.

What kind of shell is he wearing?

Anything on the crab itself? Tucked into joints, or on/around the eyes and mouth? These could potentially be crab mites, but they are only a concern if they are eating off of the crab.

I think at this point you have two options. You can accept they are harmless and will be staying, they really aren't doing any damage and naturalized tanks will have uninvited guests in them. Or you can tear all the tanks apart completely once more, house everything barebones for a while so you can ...