Fan leaves turning yellow

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I'm fighting this battle that maybe doesn't need fought. Once flower started yellow fans leaves appeared only on the larger fan leaves. I tried some N and also used cal/mag. Been about 2 weeks. Seems like it worked briefly but now more yellowing than before. It is well into flower so maybe it's pulling nutes? She's a big girl , that's a 2 gallon water can.
For 2 gallons I use 1 tablespoons Alaska FF and 2 tablespoons of tigerbloom every other watering.

Could be under canopy bit humid not absorbing light the plant is doing itself a favour

joesoap2013 said:

Could be under canopy bit humid not absorbing light the plant is doing itself a favour

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Yes, most of them are more or less under the canopy. When it starts to pull the nutes to the buds during flower will it be the larger fan leaves first ?

When I grow in containers, I always toss a few slow release pellets into the pot if the plant is looking hungry. Yellowing leaves is a sign of a nitrogen deficiency, almost always. The plant needs more nitrogen.

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