Hello,
Do you have any pictures of your dragon, along with your tank setup for him?
Which T5 tube bulb are you using, which brand is it?
The Powersun is a good MVB & is usually not very strong so as long as it is mounted
at an acceptable distance they can be used together.
At a 10 gallon tank size, the Powersun is pretty powerful to be used with the T5 tube bulb.
Are you able to upgrade to a larger tank, possibly a 40 gallon tank?
Tracie