If i had to guess it looks more like a pk diffenciey ....but you can go to the marijuana problemz section and theres a sticky on diffencies and chemical burn......you should find the awnser there
most definately thats the problem its too soon to be having cal/mag problems i gave mine none of that and didnt show signs of problems til my 4th week of flower
yeah it seems weird that i would have any defficiency i have feed veg nutes a couple times and now flowering nutes one time but here are picts of the full plant
shes an auto thats why she is small
i definately think that theres a slight chemical burn but i think its not too much to freak out over i think your ppms may be a little high and the leaves shouldnt be that dark nessecerially .....look at the nute burns/def section in the marijuana section the awnser is there for shure..........what strain is that it almost looks like itz flowering,,,but its so smalll...ias that an auto strain