Got a reptarium for Richard and Dubs, so Richard is hangin' out with me in the sun this afternoon (it's almost 90 here!) Since reptariums are fine mesh, what percentage of UVB is getting through? He's clearly enjoying it, other than blackbearding at a robin that keeps bouncing around the yard, but I wasn't sure about the equivalency of pure sunlight UVB vs reptarium UVB vs Reptisun 10 tube UVB. Any ideas?