What would cause these little yellow spots on leaves? Feeding 150ppm calmag, 450ppm megacrop I’m coco/perlite. Water source is 0ppm, no chlorine. Only on this one plant and don’t see any critters. Light source is MH 18” away.
You say no critters, but that's thrip damage. I'm all but 100% sure. Check underside of leaves. They look like tiny worms, usually lime green. Even if you can't find any, I would still treat for it. Best of luck with the bastards!
CloneKingz
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