Honestly I found myself in the same situation a few months back and decided to stop buying stuff and just leave it be and whatever happens happens, and I was prepared to start over if needed. Surprisingly (or maybe not) the tank did better than ever just by ignoring it, aside from biweekly water changes.
I’m in the process of some major changes to rock work and lighting in my tank now and have seen some negative effects in some of my corals which I assume is due to the changes. I’m going through another period of trying not to buy livestock and just let things settle again so time will tell if it will work again.
hang in there!