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Aquarium filters
There are many different aquarium filters and each one is slightly different. Whichever you choose, all filters have specific functions and you should find out what’s available before purchasing any.
Aquarium filters come in the following different categories:
• Bubble-up filters – This is an internal filter that uses a stream of air bubbles to push water up and out of a tube. When this process happens, a pull of water into the filter through the filter media is created.• External filters – For the most part, these filters are very similar to power filters, however the terms are not always synonymous.
• Skimmer – There are two different types of skimmers – surface and protein. The surface skimmers are essentially boxes placed just below the fish tank or aquarium. The water then basically “spills” out of the aquarium and into the box. Then, the water is usually siphoned out.
• Under gravel filters – These are very popular, but are often used more as supplemental filters than as primary devices. This filter is placed in the very bottom of the tank before anything else. After it has been placed, other items like gravel and water can be put into place. It does not do much to remove debris from the tank unless you make the effort to remove it yourself.
• Wet/Dry filters – The activity of beneficial bacteria is affected by the use of these filters. These filters actually help more beneficial bacteria to be created at a quicker rate. The basic way these operate is that water is first spread over a media that is for the most part exposed to a lot of air. Then, as the random patterns of water formulate and move across the media, it is constantly kept wet with a very thin sheet of water. This leads to the media being able to play host to many kinds of bacteria.
All aquarium filters serve their own purposes, but some may be used together for increased productivity.
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