Originally Posted by FishDaAx
Yea I was thinking the same thing. So I smashed up some of the less attractive rock I had to like 1"-3" pieces and I and going to use the rubble in the sump. I was also thinking of maybe using the rock rubble is a wet/dry filter. Would that work too?
If you use rubble in the sump make sure you move it around a couple times a month and clean in there well. Rubble can trap detritus so just make sure you check it. I have no personal experience with wet dry systems, so I don't really know to much about them