hey all ,new to here and just wondered if you can help me i have just brought a 100w basking light for my yemen as just found out the one we got her with is a normal bulb however i have replaced it with a exo terro sun glo 50 watt atm i here they need uvb lighting and a uv light as well but i am getting so confused i about what ones to get is it a 10.0 or a 5.0 sorry im all new to this you prob get asked all the time :S