It looks like ph fluctuations & lack of cal mag are your issues buddy You may also have root rot
I'm around 4 weeks? She's already displaying signs of orange pistils on lower growth. I'll give her more cal mag today, but I know for a fact she's nowhere near done.. Only started developing trichs 2 weeks ago.How many weeks into flower are you? That last pic looks about what most will at 7 or 8 weeks. But i would keep an eye on the pH and keep giving it 5ml of cal/mag. Sorry if I couldn't give you any better info.