Robder
Fish Fanatic
Another thing I need advice on.
I'm going for black sand but which brand and type? (Coarse/fine?)
And how much (kg) for a 450l tank containing a couple of oscars?
Edit: I've been told 2 x 20kg bags is about right. Any advances on this?
I'm going for black sand but which brand and type? (Coarse/fine?)
And how much (kg) for a 450l tank containing a couple of oscars?
Edit: I've been told 2 x 20kg bags is about right. Any advances on this?