I did as @Mañ'O'Green suggested and it seems that issue (on that plant) cleared up nicely. However, here's a different plant's misbehavings in the same tent (this one's at about 7 weeks), and I _think_ once again it looks like Potassium deficiency. For sure, NO extra CalMag added so I know it's not that. However, I have shifted to AN Bloom nutes for this White Widow Auto, and just some lower leaves are looking like this:
s
potassium deficiency perhaps?
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