Well after lots of reading I think I've developed a plan. I did do the 'dinos test' and I'm pretty sure that's at least part of what I'm dealing with, possibly run of the mill cyano as well. I typically don't like adding tons of potions and the like to my tanks, which includes dosing nutrients. If I can find a simple or natural way, usually by water changes, I go that route. However in a dinos situation, more waterchanges stripping my nutrients to nothing, will not help.
So my plan is to combination increase feeding, reduce water changes, and dose nitrates and phosphate. Testing parameters daily to measure increasing and decreasing numbers. Fully prepared to dose, have on hand red sea 3part ABC, and using brightwell nitrate and phosphate currently at 1ml each per day. This is probably too little, but I wanted to start slow with those.
Testing this morning is showing nitrates finally, but about .05 . Just barely showing pink from the side view on the salifert test. No phosphate yet. Alk and calcium still holding, not much decrease yet.
So I'll continue this for a week at this rate and see what happens.