08-04-2009, 03:14 PM
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Yeah, ditch the canister filter. Just add flow in the tank to make up for losing the output of the canister. How much live rock and live sand do you have? Protein Skimmer? These make up the core of your filtration in a marine tank. Live sand & rock have anaerobic bacteria seeded deep in the rock that turns nitrite and ammonia into nitrogen gas (via the nitrogen cycle), which will leave the system naturally. A protein skimmer, through foam fractionation, will remove a large amount of organic compounds.
It was a hard concept to accept coming off doing freshwater setups all my life that mechanical filtration was obselete on a marine tank. All the cleaning of filter floss and canister filters quickly swayed my thinking and after I got rid of my canister, my nitrates almost disappeared!
Take a read through some of the posts in this sub-forum: satwater tanks: filters, and you will see that the more experienced hobbyists here have no canisters or bioballs or filter media at all.
Last edited by wake49; 08-04-2009 at 03:16 PM..