I have one just like that but bigger. I keep 2 60 watt bulbs in there, so you're bulbs may be a bit large for it. I also added 2 cpu fans to mine and that helped tons. Once I get it regulated temp mine runs spot on. I do tend to have some trouble with the humidity level those last few days, but otherwise I love it.
I don't know if you can tell the size from this, but here's mine. I've painted it a beautiful shade of yellow since this pic.
I don't know if you can tell the size from this, but here's mine. I've painted it a beautiful shade of yellow since this pic.