built a veg room and a flower room
veg room consist of 1 600w mh
so my electric company charges 8cent per kw,, so i do .08 x.6kw x18 x 30 = 25.92
itll cost me basically 26$ a month to run a 600w MH bulb at 18hrs a day 30 days a month??
flower room is 1800 watts so .08 x 1.8kw x 12 x 30 = 51.84