Ok, several plants about 1 month . transplanted from soil where they were going great , to a drip hydr unit heres settup 2 gall drip ring hydro unit clay stones ph is 6.0 floramicro 4 tsp florabloom 2 tsp floragro 6 tsp 1/4th tsp superthrive 2 120w agro-lite plant lights 8 inches above . light cycle 18/6 drip tube water is always on. all bottom leaves are bright yellow and very bottom is dried and brown .