Danielsgb
Well-Known Member
Remember under a 250W don't use a HPS. but a Pulse Start Metal Halide ballast. Every mag. ballast uses about 10% extra to run. Really I think your looking at only a tiny bit on a bill.(couple bucks) I think it's the way to go regardless. I'd try the 400W first to see how it compares to the HPS, then you could drop to the 250W if needed. Re-doing your set up seems like a bitch to me. My change up is simple compared to yours. You have some duct work that kinda amazes me.
Daniels
Daniels