I have been running a Reef Octopus with generic Bio Pellets from BRS in a 75 gal tank for 14 months now. I am just getting ready to replenish the Reef Octopus for the first time with new pellets and things have always been right on. Nitrates = 0, Phosphates = 0. p.s. I have never done a single water change. Good skimmer and biopellet reactor is a great recipe for great water.
