Quote Originally Posted by Rusty Trichome
If you are not an electrician, (obviously you're not) I wouldn't dick with the ballasts. Fire and electrocution are a definate possibility if you screw-up.

I'd use the 175's for either side lighting, or perhaps in a seperate clone-n-seedling closet.
Thanx, I took your advice and built a small veg closet. I found a couple of street light "heads", and used the ballasts and fixtures. I probably could have electrocuted myself with less effort, but I'm liking my little closet a lot!
Dawg56 Reviewed by Dawg56 on . Two bulbs per ballast? I've looked in some electrotech forums and now I'm more canfused than ever! Has anyone ever run two bulbs on one ballast at the same time? I'm wondering if it's possible to run two 175W bulbs off one 400W ballast, and would the bulbs necessarily have to be wired in series or in parallel? Anybody ever had strech things out like this? Rating: 5