Quote Originally Posted by FreeDaHerb
The HPS light makes alot more lumens in the high heat spectral range, i.e. "warm white" as opposed to the MH "cool white" and thus generates more ambient heat.
What's the "high heat spectral range?" New one on me....:i feel stupid:

I'd like to avoid those wavelengths if possible. I hope it's not Starburst Orange.