i just have a question for you guys out there. can you run T5 bulbs on a PC ballasts? i have a 96wtts pc and want to convert it into a T5. what watt bulb can i use. i want to use the highest wattage i can get. and it is a 48 inch hood. how about a metal halides. if i have now a 150 halides and want to upgrade to a 250, do i need to change my wirings too?