It’s hard to tell. I have been doing water changes and it’s just relentless. Maybe very slightly better in the morning if any. I run my fuge light at night opposite of the main tank lights.
At first I was leaning towards dinos based on the answer (I've seen dino outbreaks that looked similar without the pathognomonic bubbles), but I'm also considering Lyngbya based on the back wall from the second picture.