FWIW it looks like the brown diatom phase to me. Dinos look more like snot usually.
If it’s dinos omg you poor guy! Time to take the ATS offline and get some real live rock of it is sheesh!!
Are you vacuuming the sand during water changes?
If it’s dinos omg you poor guy! Time to take the ATS offline and get some real live rock of it is sheesh!!
Are you vacuuming the sand during water changes?














