My Cham is movign alot this morning going uop and down to new places I don't know if she needs to lay eggs but she is not puffy from her abdomen but she looks fat from the bottom a little bit and she is not eating as usual not her usual appetite. I want to get her sand but Just in case but I don't know what kind to get her or shall I just get potting soil? help me fyi she has never mated