A 6 weeks old auto, flowered at about 4. Made a mistake of lowering the LED a little & delayed buying a larger fan for a day. New fan installed LED lower to 75% & pulled up.
I see lower/mid leaves in this condition. PH5.5-6. Doubled potash,Fe for blooming.
Open
Leaves. Edges burnt
Leaves. Color - Yellow
Feeding. Deficiences