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9/20/11 at 5:39pm
Thread Starter 

i have a 120 gallon long aquarium im planning on getting a 8 inch coral catshark pup that my lfs told me i could keep in there for about a yr im already planning and soon will be building a 12x2x2 tank soon to house him in for the long run my question is wat should i use as for filtration for my 120 canisters with a skimmer or a sump with lr and a skimmer i currently have two canister on the system now there r no fish in the tank at the moment its cycling

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