Thank You!. I unfortunately bought one of those Zilla UBV lights. I have read a lot of info, plus yours, that states, that's no good. I have had Rex for about 2 weeks this coming Monday. Tuesday I will have the Repti-Sun UVB 10.0. I have already ordered the fixture from Home Depot, as apparently our Walmart doesn't sell them. This is all a learning experience for me and I'm sure I'll have many more questions. I can't determine if his basking spot is good enough for him or not temp wise, as I have those stupid analog sticky temp gauges, another thing I learned here not to do. I have been looking for an infrared digital thermometer and I think I have found a good one. Once again, thanks for assisting me LOL.