ravenfan8705
Reefing newb
I have an eshopps sump ( not that that matters) and it has a section with bio balls. Am I supposed to replace the bio balls with live rock?
http://www.eshopps.com/deluxe.php (picture of what mine sort of looks like but I'm sure its the same as every other sump)
http://www.eshopps.com/deluxe.php (picture of what mine sort of looks like but I'm sure its the same as every other sump)