Why are bottom leaves going yellow

[Doctordre]

Need help before crop is ruined

 

[2budz]

Need more info

 

[Doctordre]

So Iv seen some spider mites quite afew could it be that ? Also temperature is 30 degrees and humidity 51%

Need more info

 

[nizmoKush]

Problem:

Medium/grow method:

Feed: and supplements used:

water source:

Strain/age:

light used:

Climate:

Additional info:

 

[Slater]

Not quite sure what your asking and what your showing in the pics.

lower leaves turning yellow could be sign of Nitrogen diff.

If its spider mites and your late flower there are not many options you have.

We need more information and better pics showing us the issue.