Im a led grow light user and i sell them. i picked 4 different companys and the ones i use are literally amazing. no heat and my plants are great!! This is my grow light set up........equivelent to 400 watts hid/hps. it rocks. my next grow will be all lowryder.....my last lowryder was perfect...and the resin....awesome. Is it just me.......but i have had nothing but females this year and im at 25 plants and all females! unreal!!