09-07-2011, 04:24 PM
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Planted or not chemical filtration really has no need, its just extra expenses really. The only real differences here are appearance. Both will work just as well as the other IMO. The canister will look better being hidden from sight, where as the mattenfilter will actually take up a considerable portion of the tank. The canister can easily supply staged mechanical filtration. Basically water flows through a coarse sponge, a medium sponge, then a fine floss pad. A mattenfilter isn't as staged and will likely need to be cleaned more often. The downside with the canister is the much higher price.