I know that MH bulbs has a blue frequency for vegging and HPS has a red frequency for blooming. But which will the a better bulb for the entire growth process? which will produce better yields when used during the whole growth process?

What bulb is in this picture? MH or HPS? I think its MH cus the light is kinda blue.
Dimebag Reviewed by Dimebag on . Question about HPS and MH I know that MH bulbs has a blue frequency for vegging and HPS has a red frequency for blooming. But which will the a better bulb for the entire growth process? which will produce better yields when used during the whole growth process? What bulb is in this picture? MH or HPS? I think its MH cus the light is kinda blue. Rating: 5