Quote Originally Posted by Jhill001 View Post
I've always thought that it mattered more in terms of distance to the basking area. Like a 10.0 would be used in a very large enclosure but a 5.0 would be used in smaller ones.
Yes, exactly. The distance from the light to the dragon is what counts, not necessarily the size of the enclosure. The numbers I use are for the unfiltered bulb heights in my own enclosures. Certainly this may change for taller cages or filtered lights.