chronicuser Active Member Dec 6, 2009 #1 my friend started these off with CFL's and now he has a ballast that can hold either a 150watt hps or a 100watt meatl h. whats the low down?
my friend started these off with CFL's and now he has a ballast that can hold either a 150watt hps or a 100watt meatl h. whats the low down?
motoracer110 Well-Known Member Dec 6, 2009 #2 Use metal for veg, HPS for flower. If you can only choose one get the HPS for veg and flower. GL m8