Tank dying off

[SlugSnorter]

Yes I def have that. How do I get rid of it?

what kind of nuisance algae? your rocks look pretty white to me.

 

[kryan13]

what kind of nuisance algae? your rocks look pretty white to me.

 

[kryan13]

what kind of nuisance algae? your rocks look pretty white to me.

I posted pics. The rocks are fine. It’s I get a some kind of green algae on the glass. A brown stringy one on the black back wall and then the sand is all kinds of gross.