K this light fixture is so old and not even used anymore. It just sat there being useless so I put it to good use. It was right next to my friends house who doesnt need it. It's alright for me to have stolen this. I'm sorry it is stealing but i dont have $150 to buy an HPS. I went and bought a Metal Halide bulb today though and put it in there. I got the metal halide to work up to full brightness! BUT now I cant even get it to spark yet the MV bulb still works. So WTF? The MH bulb was very very difficult to get to light up as well. It took like a dozen tries. I dont understand how this MH bulb works but damned if i could get it to glow and work properly.. I'd have buds. Good buds...