enough uvb?

[bdchip]

so i have an enclosure that is big its 4ft long by 3ft wide by 3ft tall.....in the back middle of the tank i have an 18" reptisun 10.0 and in the front right i have a mvb 140w is this enough uvb for my enclosure or do i need more?

 

[LQDragons]

what brand MVB are you using?

 

[bdchip]

ummm exo terra