This is Dino's vivarium, I have had him for a week. UVB bulb is a Zilla T8 18" 15-watt fluorescent bulb. Basking Bulb is 100-watt zoo med bulb. It is in the double deep dome fixture, but there is only one bulb in. Basking spot runs high 90's up to about 102. The rest of his warm side is low 90's...