Just went from a sump-less system using a HOB skimmer to a system with a sump. Now that I need a new skimmer I am wondering which size to go with. My tank is 180g and sump is 40g. One skimmer I am looking at says it is for 120-260. Is this what I need or should I be stepping up to the skimmer that covers 260-500?
I think I remember reading to go larger if possible.
I think I remember reading to go larger if possible.