40-75RATEDRSUPERFAN;4535325; said:How many pounds of sand will I need?
Crushed Coral tends to trap larger pieces of dissolved foods within the substrate, thus causing more nitrates. Sand really benefits the tank, while crush coral tends too need more care to properly run within an aquarium.FLESHY;4537199; said:I dont use crushed coral...but why would it be bad for preds?