My dragon is 3-4 yrs old
My aqarium is somthing like 100-150 gallons
my substrate is kind of like a finer gravle
Yes i do use a uvb buld its 18" and thats all i know
i use two basking bulb i think one is 100 and other 70
I Dont Know know diffrent temps
I feed him super worms, pear, carrot, snow...