chemdawg auto

Hey all, I'm coming to the end of a pretty shitty grow. Both plants got very sick with leaf septoria (also some serious ph issues) which pretty much killed off most of my fan leaves during flower and I'm sure stunted growth and bud development. One plant is super lanky with shitty popcorn...

If someone would be so kind as to diagnose this deficiency. This showed up overnight on an otherwise healthy plant. This chemdawg auto from attitude is 54 days old from poking through the soil. I am using the GH line of nutes ( grow, micro, bloom, koolbloom, calmag). Also using silica, great...