Those look just like mine did.. it was a calcium def. took care of that and also added a booster pak for the other trace elements. and they are bouncing back right as rain.
marmarkus2006 Reviewed by marmarkus2006 on . anyone know what this is??? brown and yellow spots on some of my leaves even my mother has them and she is in different cabinet PLANTS i have a hydro setup my ferts are at 1040 ppm in my bloom cycle my P.H. is 6.4 and my 150 watt hps is 10 inches from tops of plants MOTHER in a hydro setup my ferts are at 300ppm down from 600 ppm on a 18/6 hour cycle with 4 two foot t5 flouros 8 inches away from the top i hope this is enough info for someone to help me here are some pics of the spots i cliped off the Rating: 5