Hi, I just got a used Red Sea Prizm Energizer PS from a friend and I have no idea how to use it. Do I put any carbon in the skimmer? Is it also a HOB filter or do i need one? I have a sump under the tank so I am not sure if I need a HOB filter. I was looking at the Aquaclear 500 ( I have a 90 gallon). At the current time, it is filling up with water so I really need to get my act together and add a filter. Now since it is a brand new tank and is just starting the cycling, I dont really need a PS at this time right?
Thanks :help: