Yeah typical clawing from nitrogen, The TA tri part is a really good system mixing different ratios of all 3 to balance the grow. I guess you have overdone it and probably squed the pH also I would advise to give only water and use up some of that salt build up to feed try get run off if in soil and defo get run off in coco atlradt 30%. It's only stunted not dieing she will be back on track soon enougj