Well, you asked for "any thoughts" so I'll put my 2cents in.
Those look good enough to put right into a salad bowl! I sure wish my problems were as slight as yours.

I really dont see any *red* stems. There's some slight pinkish maybe in pic #3 on that fan leaf stem, but your plant(s) look really healthy to me. The center of the leaf is nice green and so are the leaf veins.

Maybe others with more experience can chime in, but man those look nice to me.
MisterE Reviewed by MisterE on . K deficient? Red stems, necrosis on leaves, but no yellowing I have read through the FAQs here and I think that I may have a K deficiency. Mg sounds possible but less likely. I think this is what necrosis is, but there isn't really much yellowing. The necrotic leaves are slightly paler than the others though. So I have 2 out of 3 K deficiency symptoms. Here are photos to help my descriptions out. The middle finger has some spots near the tip. The second photo from the bottom of the leaf shows it more clearly. We have been feeding with 5-30-5 bloom Rating: 5