Gelbe Blätter

Hello mate, first of all before adding anything or reducing check your ph, in the middle pic i saw something tha indicates ph problem. Secondly I would add some Cal Mag. Since it is an auto during this week I would add half of the maximum recommended dosage. Hope was helpful.

Looks like you have a couple of things going here, looks like nutrient burn, with a phosphorus deficiency. I think by feeding too much you've caused a lockout of phosphorus.

Hi Jason , that’s nutrient burn coupled with micronutrient deficiency. The nutrient burn you can tell from the burnt tips and the curling of the leafs. The micronutrient deficiency you can see from the yellowing of the newest leafs first indicating that the deficiency is immobile nutrients (calmag def). Just add cal mag , maybe reduce the feed just a touch . Hope this helps ! 🚀

They look pretty good to me, it's very common for leaves to start yellowing towards the end of flower. It's possible that they are deficient as while in full flower they can use up their storage of nutrients fairly quickly, i would just spoon feed them as little as possible just to keep them from stalling out