I was struggling with nutrient problem going into flower, flushed before and never got the plant very green again before flip. I agree it’s normal to lose leaves but I’m hardly halfway into flower so...Nice job. Novice here but I think the yellowing/dying leaves is normal if the budsites for those leaves aren't getting enough light. The plant is redistributing the mobile nutrients.
What is Hypo? I realized that all the moving pests in my soil are good for it, that's why I did living organic soil. But initially I didn't think I would see them, I thought they might stay hidden or be more microscopic than that! The cover crop is a twelve seed blend, of Rye and Clover....I got it from Buildasoil.Nice grow STP. Is that sweet potato you were cropping it with? Fast moving mites are predatory but I think you figured out it was a hypo