it messures 6 feet long x 24 inch's deep x 20 inch's wide I am hoping to make it into a nice reef and fish tank the tank is used but in nice shape with a light couldn't pass it up for 200 bucks 1st I need a filter system for the guy I baught it from recomends bio-balls I was thinking of a Rena FilStar xP3 wonder what others think and am willing to really take my time on this to get a nice tank I want to get the filter sand and let it circulate for a good month add some live sand and live rock no major corals a introduce a couple a fish to start then maybe one or so a month, does this sound like I'm on track.