HELP: What's Happening to my plants?!?

I have had 3 successful harvests and now I am on my 4th. I have not changed anything with my process.

All of a sudden several mid-level leaves started turning yellow and now there are rust spots.

Check out these pictures...

What do you think might be going on here?

Any help would be greatly appreciated.
 

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newb101

New Member
looks like a nitrogen def my man very normal during flowering but usually doesnt happen til its close to harvest.
 

HIGHFLY

Well-Known Member
fan leaves naturally die off during flowering , nothing to worry bout man looking good
 
Is this really alright? This didn't happen during my last 3 harvests. Why is this happening now?

Look at the rust spots... is that normal?
 

supdro

Well-Known Member
if your ph is in range and the water is full and the ppms aren't too out of whack it is one of those two i would think.
 

Dr. Haze

Well-Known Member
may be a nute problem, or ph but im pretty sure you dont need to worry... its a natrual part of its life... they are putting all there energy into flowers so a few leaves will die
 
Do you think that it might be caused by water contamination?

What do these yellowing middle leaves and rust spots normally indicate during a soil based grow?
 

sampson0420

Well-Known Member
had same thing happen on my 3 week old plants because I didn't think they needed nutes. Once I started nutes, yellowing faded and no more rust spots. Def a nute or ph lockout issue, good luck!
 

Dr. Haze

Well-Known Member
what type of nutes are you using and how much, it coud be a defincency or a slight burn, also possible that a bug has gotten on to it
 
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