HELLO CAN YA HELP ME? THIS SHIT IS DRIVING ME CRAZY.MY PLANTS ARE STARTING TO GET YELLOW IN THE BOTTOM AND THE LEAF ARE DIEING HERE IS A PIC CAN YA PLEASE HELP. PS PLANT ARE GOING INTO 2 WEEK OF FLOWING STAGE AND I AM USING A HORTILUX H.P.S WITH A BLUE SPECTRUM 400 WATTS