Is this reef safe

[shoelaceike]

I got this as I want to add some macro algae in my sump bit don't want it getting everywhere. I picked it up at michaels and its called plastic canvas.

 

[Triggreef]

Yeah that's what everyone uses for algae scrubbers. Have to rough it up some for the algae to be able to grow on it.

 

[shoelaceike]

Thanks!