I am retired and after visiting my son and seeing his reef tank I am thinking about setting up my own. :lol: I have been doing quite a bit of reading. I will not be starting anything untill December or so. But I am confused as to why I have seen glowing reports on setting up a tank using the Eco-system filter but no one is suggesting it for a newbie? I am thinking about an all glass 120gal using this system would this be too much for me?