I would use two Marineland H.O.T canister filters that hang on the back or a Marineland Magnum 350. You can buy them at www.bigalsonline.com
were everything is half the price of Petsmart and Petco. Also they are a very secure website so you should check it out if you need supplies.
55 Gallon-two clown knifefish, chocolate pleco
46 Gallon Bow Front-Planted-swords, java fern and African cichlids, sail fin pleco
29 Gallon-black ghost knifefish, bristlenose pleco
10 gallon-brackish, figure-eight puffer, knight goby