oh yeah, thats right. i forgot you used that..i would imagine that now that she's this old, it shouldnt effect her as much, but im not positive. I know there is a reason everyone keeps saying to keep away from that stuff. its either that, or the ph of your water, or the fact that youve been overwatering. Those are usually the causes of yellowing leaves. But the good news is, you noticed it when its just barely starting, so you can go through the necessary steps to fix it.