hps mh grow tent grow light

I got a 400 watt dimmable digital ballast grow light from htgsupply.com i have an open reflector aswell as a 6in tube reflector and i have a HPS & MH bulb. It still has 3 yr transferable warranty on it from htgsupply. Originally spent 500 on the light without the tube reflector. I'm asking 250$...