omgsaltwat
Member
I have brown stuff all over my tank and sand, I have been told it will go away by its self. I keep trining to wipe it off the glass and fan it off the sand but its getting worse my tank is fully cycled all levels 0 I have 1 domino damsel 1 foxface tang 2 percula clowns. then all the brown stuff came will it hurt my fish? btw my tank is 125.
:help: