Ok now i am concerned one of the plants is definetly unwell, its leaves are turning yellow and dying. I read up a little and thought it might be nitrogen def so i got some Arthur Bowers Fish Blood and Bone i started to use it around 3 days ago but it doesnt seem to be working. The other plant is fine which is unusual as they are kept in the same conditions fed and watered the same at the same time with the same products can anyone help me out heres a few pics