Really hope you didn't spend $8000 on lights, for that kind of money I could build out my entire spare room floor to ceiling and still have money left over for genetics and a personal grow tutor.
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My guess is you bought the tired old dogs off of someone else who was smart enough to know that technology has improved and had decided to upgrade their lighting. As I said before I'm new to growing, but I've already grown flower that is way better than anything I smoked as a kid.
@Lifer99 Do your homework and decide how much you want to invest in growing, plenty of folks here have grown nice flower without spending a fortune.