Originally Posted by Jelezoglo
that makes sense.......do you actually have any livestock on a refugium???? rock, sand???
you can do it anyway you want. its simply a refuge from the main display tanks livestock or predetors. If something is or will be beat up or eaten it can be placed in the refugium. You pretty much need sand, rocks or plants otherwise wont grow many critters (pods and such) and any fish or crustascean you put in there for refuge would probably like some sand and rocks. Sumps are under the tank, a refugium doesn't have to be. A sump can be a refugium, equipment holder or anything you want it to be (nothing but water) as long as its plumbed into the tank and under the tank.