Ph/ppm for autoflowers

Wattzzup said:

See those bottom yellow leave(s) in your first pic. That’s typically a sign that’s it’s hungry.

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I thought that. Sweet. At least now I know.

I did think it was because of light penetration Would that be similar?

Yes. It’s hungry and it’s using that leaf because the plant is smart and it’s not helping as much being that low on the plant. That’s the non scientific version.

Agreed up your feed to 800 ppm see how they respond.