hey !god damm its hard work trying to set up a viv for the first time! and quite frustrating.... :x ,but i bought my glass three ft viv off ebay which came with heat mat,and mat statt in fulyworking order! only it came with a light and the bulb is 40wtt and is half blue and the rest white,now what kind of bulb is this? and is it suitable for a corn? if not what would you reccomend?