My first medical grow and I run into this

[Ghettogospel]

I’m feeding 2ml cal-mag 2.5 of bloom& fertilizer 2.5ml micro 2.5 growbig 1ml of bloom what am I doing wrong their white widow autoflower 2ft tall

 

[HugePeckerhead]

It's hard to tell from just that picture. Also it is normal for some lower leaves to die off or change in flower.

 

[Emilya Green]

hard to tell in that light, but that does not seem to be a healthy green. Could you be giving way too many nutes? This might be the start of nitrogen toxicity.