Hi All,
I have a 65 gal hex tank. I have the rena xp3 175 gallon max flows 350gph. Power head is HYDOR KORALIA 3 CIRCULATION PUMP/POWERHEAD UL 850GPH. Now my tank has a hole in the center of the tank, so i'm not sure what i can do as far as a skimmer goes. Anoone have any ideas on what i...