So I know I have an excess of nitrogin and that be...

Hi @beer420! To me it looks like the result of a serious Nitrogen toxicity My theory is that a wrong pH range for the whole grow (and probably a wrong watering routine) have created some sort of salt buildups and/or Nitrogen toxicity due to the use of EasyGrow, and the roots can't handle anymore. This is confirmed by your leave's coloration, this dark greeen is a bad sign, especially when it's glossy like that, your plant had too much Nitrogen for the last weeks. In this situation I would remove the most affected leaves, heavily flush the medium with plain pH'd water (~6.2), put a tiny fan blowing onto the container to help it dry quickly and avoid an overwatering scenario, then see how it goes after a few days. If things are looking good, consider giving some P+K booster for the last weeks before the final flush. Now about the watering routine, make sure you follow a wet/dry cycle with quick rotations, I.E one day wet with nutrients, one day dry, one day wet with plain pH'd water, etc...And always water with ~15-20% of your container's volume, unless you want a serious drain (in order to flush). Hope this will help, keep us up-to-date, and happy growing 👊