01-28-2013, 08:18 PM
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Originally Posted by JDM
Clarification question. When you refer to less filtration, do mean lower GPH or less media? No carbon for example, more emphasis on sponge and floss filtration.
Both. It all depends upon the fish, and plants. In a well planted tank that is not overstocked, there is really no need for any filter, just something to gently move the water around. But while we're doing that, it is practical to filter it through some sponge/floss/pads to remove particulate matter. But there is really no need for biological, and absolutely no need for chemical, filtration in planted tanks.
Water current is obviously connected to the filter, so this too should be minimal unless you have fish requiring a current. Plants are best in less flow--if the plants are swaying, the current is too strong. Only those right next to the filter outflow should move.