thats a cunt but just doing some arithmatic on your KWH USAGE its is a lot for a 400w tell me have you been using any other new appliances if so let me knoe powder and i will count it out i need how much you pay per kwh as it will be diffarent were im from ,this suck powder we dont want to lose your input on this site mate god that sucks let me know and ill tell you if it is the400 w that is causing it ill need even your last usage before you started using the hps ,god that sucks