Yellowing of lower fan leaves starting

Hey everyone. Right around 3rd week of flowering I think, using A Pot for Pot 5 gallon kit and only watered with pH’d water the whole time. ILGM Gorilla Glue Auto under Mars Hydro TSW2000. Just starting to notice yellowing of some fan leaves and a few browned spots. Seems to only be on the lower, bigger leaves right now and just started.


Any help would be very much appreciated because I have no idea what I’m doing!
Thanks in advance!

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That’s natural, but also means the plant is beginning to have a nitrogen deficiency.

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Thank you. Should I add any nitrogen or keep going with just water like I have been? Also should I clip them when they get really yellowed? Thanks again.

Since you’re only week 3 flower, I would suggest adding a bit of nitrogen to keep them heathy green. Also I do promote defoliation but be very mindful when doing it to ensure its 100% beneficial and gives the plant no stress. Keeps the plant healthy and tame. More light penetration and more light to bud sites.
Otherwise, your plant looks overall very nice!

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Thank you very much. I do very light trimming over lower buds and have been getting rid of all the little lower stuff slowly. I’ll add a little cal
Mag next watering and go from there.

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