Wow, thanks! I'm a little angry that the website selling them had misleading information. I think people should be warned of this a lot more than they are, like a surgeon generals warning on the side of the box.
I've read the same at many places, do not use substrate. If ingested it can cause problems. Chams eat from leaves so substrate is not something they should encounter too often. I did, however, read that you can use newspaper. This will make cleaning easier since it is disposable and your cham...
I was looking into lighting and the website I was at said that the 5.0 is good up to about 10 inches for shallower setups and the 10.0 is good up to 20 inches. I bought two compact 10.0 bulbs because I figured my cham wouldn't get enough light from the 5.0 since it had to be within 10 or so...