Originally Posted by
Bacon
The reason people keep multiple filtration systems running is because what if one fails? For any reason, lots of reasons. Also skimmers are not just nutrient export, there are functions that skimmers can/may provide beyond that. One for sure is aeration. But there may be others that aren't understood as there are many aspects of reefkeeping that are poorly researched or poorly understood. But I don't think you need a skimmer any larger than one that is "rated" for your volume, if even half that. Going too big is bad.
What is comes down to is a choice in what is best for your tank, and best for you.