GreenDreams5150 Member Aug 8, 2011 #1 so does a 250w HPS need a ballast to run? if so, can this ballast plug straight into any standard home(in america) without blowing the circuit...and would this type of light eat away at my electric bill?
so does a 250w HPS need a ballast to run? if so, can this ballast plug straight into any standard home(in america) without blowing the circuit...and would this type of light eat away at my electric bill?