It's too blurry to tell, but looks like dinos. There are a few treatments you can try, but you might want to look at your water parameters (nitrates, phosphates) first.
@jeremybrowntattoos what are you water parameters, does it disappear at night, and how much is it covering in your aquarium? It looks like it is likely dinoflagellates as @blaxsun mentioned. Here is a like to one of our blog articles on a method of treatment
Eliminating harmful and ugly dinoflagellates remains one of the most common—and challenging—tasks for the marine aquarist. Not only can marine aquarium