wayne40
Member
i'm wanting to buy the stuff to setup my MH hood...ok i went to PFO and they had on there a ballast and bulbs on a dual 250 setup that said you did'nt need any VHO's it said a standard ballast now what exactly is a standard ballast?? and the bulbs are 13k but i don't exactly know what the 13k's are any help very much appreciated thanx