Is this normal? The larger and smaller lower leaves keep on yellowing. I know this usually means the ph is off, the nitrogen is off, and/or the mag is off, but: Ph is 6.5 (I measured the runoff from the soil), I am using BioThrive, CalMag, etc from General Organics, and I am not over or underwatering. The light is a viparspectra 300W and the light is about 1 1/2' from the plant. It's inside in a tent. Advice?
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Ph fine, soil good, nutes good, but yellowing leaves
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