4th week flowering ...yellow spots on my fan leaves?

[yolo]

So its just days from the forth week and these spots are all over my oldest fan leaves any ideas?..help!

 

[EveryOneSmokes]

Hard to say with no visuals... could be calcium Def. Or sulfur def.... bad reaction to a foliar or nute. Burn... there was a helpful plant abuse chart here That might direct.u to ur anwser...

 

[efnscreenames]

could even be fungus gnats.. do you see little gnats when you disturb the top soil?

 

[efnscreenames]

Hard to say with no visuals... could be calcium Def. Or sulfur def.... bad reaction to a foliar or nute. Burn... there was a helpful plant abuse chart here That might direct.u to ur anwser...

there is logic posted it
https://www.thcfarmer.com/community/threads/plant-nutrition-and-visual-diagnosis.8749/
there it is
When in doubt flush it out