I tore down my sump on my 55gallon, and now only have a fluval 304 Plus a power head, which is keeping the tank biologically safe, and the water clean. however I would like something at the other end of the tank to help keep the gravel clean.
http://cgi.ebay.com/Ehiem-2213-aqua...=39:1|66:2|65:1|240:1318&_trksid=p3286.c0.m14
http://cgi.ebay.com/Ehiem-2213-aqua...=39:1|66:2|65:1|240:1318&_trksid=p3286.c0.m14