UGood day all,
I have a sump running like this 1st chamber ts1 skimmer overflowing into a dsb with live rock on egg crate above and cheato, 3rd chamber purigen, chemipure and phosogaurd, last chamber return pump and pump for chiller.
Question i have, i have seen many petshops have ceramic rings and bio balls intergrated in there sumps. Exotic, pet masters etc all have it running. They all are running reef systems.
My tank is new and im running my cycle with live rock and stability, will be adding prodibo soon ;)