was thinking about getting a 12g nano tank but had some question about the tank itself. i noticed in the back of the tank where the water filters through there is 3 different sections. what are recommened to put in these 3 different sections?
personaly, i would fill the filter full of live rock rubble, rather than use the filter media that comes with the tank, if you are doing a reef or FOWLR..If fish only, then stick to the filter media..