Originally Posted by Grizz
I put the rubble in my sump
All of the rubble or just pieces of a certain size? I put the larger pieces in, but there is a lot left that is probably equivalent to aquarium gravel size.
Not sure i put it in the right place either.
Before or after the sponge? ( i am set up w the bio balls for now but will probably switch to the other setup at some point. ). I put them on the side w the return pump. Move them ?