For outdoor something like this ( http://www.amazon.com/gp/product/B003TO45FU/?tag=exoticpetnetw-20 ) would be very easy to install and a quarter of the cost. Just an option
Sphagnum moss. Cheap, holds moisture, resists mold and bacteria growth. If you have a hide, even a plastic shoe box turned upside down with a moist substrate in it, they can go into as needed.
I would agree with the above statement. mix in a little calcium, but put it in the middle of the greens where he can't see it. Just a tiny bit at a time. Also, some greens contain higher calcium content than others.
Is he shedding?? Mine has some massive skin hanging loose right now that I want to pick off sooooo bad. It is right in his neck and is driving me batty!
I like to use the reflectors whenever possible. It keeps the light focused more to one area and can increase the amount of light depending on the reflector.
I would just make sure that the light is far enough away that the heat doesn't raise the temps of the enclosure too much, and there is no way of burning your tort. As Tim the tool man Taylor says, "More power!"!!! (flashback momento_O)
I have been sooo mislead about reptiles from online sources, I usually don't buy into all the hype. My cousin and I have bred and owned everything from exotic mammals, an alligator, a bear, to reptiles and amphibians across the board (I leave the large stuff to my cousin). Most of what we have...
They are the "newer" supposedly that are still sold about everywhere. I bought this at a brick and mortar store, but they sell them at about 75% of the online stores.