Just wondering if the filter should actually be cleaning out the poo from the tank or is it normal for it to settle on the bottom of the tank? Just worried that my filter isn't working properly as I'm having to hoover the gravel weekly and there's a lot of mess that comes out with the water when I do a water change.
Also how far down the tank do you position the filter? I've got mine about 1cm below the water line, should it be further down in the tank?
Also how far down the tank do you position the filter? I've got mine about 1cm below the water line, should it be further down in the tank?








