I've used both for a full plant cycle. 1000 watters each time. I can tell you you will get nice buds which ever one you choose. Some things to consider. HPS bulbs last longer and put out more lumens.
Perp Reviewed by Perp on . Metal Halide or HPS? I'm looking to buy a 400 watt MH or HPS what's better for growing? Veg+Flowering? Rating: 5