AsNoriuanswered grow question a year ago Fresh grow is yellow and patchy, either light burn if you sprayed plant under intense lightning or some root issue. Ussually ph, soon you will have calcium issues appearing if it was ph ...
Good watering regime, good ph in and she will grow it out.
I use nematodes in gnat cases.
Tried ussing neem oil in diferent plant stages with different issues to sort, never worked as i would expect.