how much roughly will running a 400 watt hps raise my electric bill. + REP TO ALL THAT HELP
growman3666 Well-Known Member Jan 11, 2009 #1 how much roughly will running a 400 watt hps raise my electric bill. + REP TO ALL THAT HELP
S SlikWiLL13 Well-Known Member Jan 11, 2009 #3 http://www.super-grow.biz/Electricity.jsp search function works miracles dude....
S SlikWiLL13 Well-Known Member Jan 12, 2009 #6 damn, thats cheap! i think i pay double. @ 9 cents running 12/12 will cost about 14 bucks