What do you mean? the yield?What will results be like with 600 watts?
With HID's (NOT floros!) you can guessitmate that you will get 1 gram per watt in optimal conditions. In reality a seasoned grower can get a lot more, a good grower can make that, and a new or learning grower can expect about half that to a quarter of that.What will results be like with 600 watts?