I've never owned a MH.
I use a hortilux HPS bulb start to finish w/ good resuls .
Peace
Crispi :jointsmile:
xcrispi Reviewed by xcrispi on . HPS Question Hi. I was wondering if you can get away with using a HPS light for the entire growth cycle, veg & flowering? Or do I absolutely need a Metal halide light for the veg? Thanks for your help. Rating: 5