Bone Aid Calci-sand Pure Natural Calcium Carbonate Substrate 5 Lbs.brown

This is the worst product for leopard geckos on the market. They ingest it when hunting, they eat it when they feel they need calcium. This can lead to impaction--in young or old geckos-- which can cause death. I have seen it happen numerous times. Contrary to popular belief, leopard geckos do not need to ingest sand to help their digestive system.

Pros: none

Cons: can lead to impaction

I used this when my tortoise was inside. It is pretty good. My tortoise loved to dig in it. I liked the different colors because I could change it and it could look differently so it wasn't always the same old boring stuff. The only thing is is how messy it can be. It is sand, so spill a little and you are cleaning it up for months, haha.

Pros: can be eaten, different colors

Cons: can be messy