Hi all,
Having an odd problem. Oldest leaves are yellowing. I already plucked off the two oldest fan leaves which were totally yellow, now it seems to be "spreading" outward. Help?
Setup description:
DWC, 1 plant.
Res: 73F temperature, 5 gal, 2 airstones
PPM: 900
pH: 5.5
Nutes: General...