I'm about to renavate my current grow room. What I'm using now (the same ones I used for my first time) are these big dry wall screws that screw into the ceiling and have a hook on the opposite end (the part that's not screwed into your dry wall ceiling). Then you take the chain link from the flor or HID ballast and hang it on the hook from those. Anyways, are there better ways? That's all I could find at Home Depot.