Quote Originally Posted by MajorBuds
HPS=Fluffy flowers and buds that dry too quickly and crumble to dust when dried.

Metal Halide=COMPACT flowering and buds,better tasting product. More weight yield.

TRY IT YOURSELF AND SEE.
backwards? yea
MH is for veging, and makes you get cotton candy buds the size of popcorn. HPS=BIG DENSE buds
oh, and with some strains it don't matter, youll always get fairly fluffy shit, like with pure sativas