Yellowing leaves

[Kompi]

I noticed yesterday a couple of my outdoor plants have some yellow leaves I looked into it I think it’s nitrogen deficiency or magnesium but I’m not to sure how would I even fix any of these problems?

 

[ProteinPapi420]

Its nitrogen def. Whats your ph?

 

[ProteinPapi420]

Also I can see that its too hot outisde by the “taco” leaves started to form

 

[Kompi]

Its nitrogen def. Whats your ph?

The ph I’ve been giving them is 6.3

 

[ProteinPapi420]

The ph I’ve been giving them is 6.3

Optimal is 6.5 but I dont think the ph is the problem. Feed her more

 

[Kompi]

Ok I will but what can I do about the nitrogen def

 

[lime73]

What soil you in? Are you feeding?

 

[Kompi]

Dr coco

 

[lime73]

Ph coco 6.0 ideal.
What you feeding? Ppms ec?