What type of medium; soil or hydro? soil What brand and type of soil? fox farm Indoors or outdoors? indoors What strain? bag seed How old are the plants? What type of lights and how many watts? cfls 4-42w 1-55-w How far from the lights? 1 inch What is your watering frequency and source of water? spring water What, how much and when was it fed? NPK? foilar spray with tiger bloom added What is the medium/runoff pH and PPM if in hydro? What are the temps and humidity in the room? 80f 36-40 humidity What size pots? Any bugs? Look real close. no Any other pertinent info? Problem occurred after i sprayed the plants, I am trying to identify the brown spots in the middle of the leaves. I am in the 6th week of flowering. This is my second attempt at growing my first grow did not go as well this one is close to successful. due to my inexperience i am not sure if a majority of my fan leaves are supposed to be falling off. I know leaves are suppose to yellow and fall off towards the end of flowering but i have the brown spots in the middle that don't seem right thanks in advance for any help.