Hi there, please help. My little guy hasn't been doing much lately so I thought I would try to take him out of his tank for a while and play with him. I opened the tank and put my hand in it and his beard turned all black and puffed up. Or it was already black. Still. Recently, I bought a 13 watt bulb with UVB & UVA. I know someone said screen (the top of the terrarium) filters out UVB, but I went to a few pet stores and they told me otherwise. Does this bulb have to do with this? Should I get a UVB fixture for the inside of his tank and a basking bulb on top??? Please, I need a quick response, I don't know if he's gonna die or what.