Quote Originally Posted by MajorBuds
SanClem is right! I advise you to listen to a true Guru such as SanClem.
Metal Halide is the ONLY way to go. More USEABLE light for plant. Bigger BUDS (vegative matter) not fluffy flowers.
Like SanClem I now use my old HPS units for door stops!!!
both hps and mh are best when they are combined, but if you want more chlorophyl in your buds with less thc and you are`nt concerned about potency, and you are growing a commercial crop for selling, i say yes to mh only grows.
but if you want dense flwers and high potency conniseur bud, i would use both