If you already got the HPS, just pick up some cool white flourescents for the first bit of the plant's life... the blue light is good for veg... get them really close... As they grow you can decide if you want to get a MH, or you could ADD the HPS for a fuller spectrum... but the HPS is a MUST for great results flowering.
stinkyattic Reviewed by stinkyattic on . Metal Halide or Hps or both Ok I thought I was on the rite path and decided to go with a 400w HPS. Then I did some more reading and heard its better to start your young ones with a Metal Halide light during veg and then switch to the HPS for the flowering. Then I read this post and it only threw me off more pH Water - See More Buds. From what I got from it, HPS is the way to go all the way? So my question is, would it better to go with Metal Halide light for veg and then a HPS for flowering, or should I just use Rating: 5