Friday, May 20, 2011

Power Filter

Power filters come in a wide variety of sizes and usually have one or two slots that hold fiber pads containing a small amount of activated carbon. They offer major advantages. The equipment and replacement pads are inexpensive. Changing the pads is quick and simple on most models.

The simplest power filters hang on the back of the tank. Water enters through a siphon that extends nearly to the bottom of the aquarium. An electric pump pulls water through the filter pads and returns it to the tank via a spillway.

Choose a model that accepts two filter pads and change only one at a time. This way, you do not throw away all your beneficial nitrifying bacteria each time you toss out a pad.

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