That's a really nice closed chamber. Do you have a humidity gauge? It should read anywhere above 80%. And the temperature should always be about 80-85F, day and night. Soak him daily for about 15 minutes.
But I THINK your problem may be the light. It looks like you're using one of those new Compact Fluorescent bulbs (the spiral-shaped bulb)??? You need to discontinue using that light and get a tube type UVB instead.
He is housed indoors, in my apartment. Ill find a way to lower the temps down.Is he housed indoors or outside? Consistent temps too high is not good for a hatchling