i'm considering going w/ the uvb lighting to add more light to the tank, but i open my blinds so the room is pretty well lighted throughout the day but its starting to get cloudy over here and i'm wondering should i do it when it's dark during the winter months ? also i'm wondering if i should get the reptisun 2.0 to add more vivid colors for my leo to see ? has any1 read up on these 2.0 bulbs I DONT WANT A LEO W/ EYE PROBLEMS (although unproven i'm really anal about health)