Quote Originally Posted by 4x5
400w is like running a PC and a monitor (on the same schedule) I run just over 500w for my stuff, only costs and extra 22-25 bucks/month
I know, I always heard computers used alot of energy but I never really knew how much..but when ever I really start using a HID light or w/e for growing I dont plan on using my computer until I'm done...maybe 5 times a month but thats it , I'm too cheap to wanna spend extra bucks.