| Most filters fall into three categories, namely | | | | water, removing sludge and solid waste etc and then |
| mechanical, chemical or bacteriological filtration base. | | | | the bio-filter cleans the water of all biological |
| The aquarium supply scene is so diversified and a | | | | impurities. It is also possible to have an option of |
| multitude of products available that it becomes a little | | | | chemical filtration, if that is desired or necessary. As |
| confusing to make a quick choice without studying | | | | this is the most common type of filter almost all |
| the competitive data. You must carefully prepare | | | | manufacturers can supply a suitably sized filtration |
| your "brief" and specify all your requirements before | | | | system to the aquarium owner. |
| deciding on the type of filtration to be used. | | | | 2. External filter unit are also widely available and give |
| What & Why of Aquarium Filtration Units | | | | superior duty in comparison with the internal aquarium |
| Fish and organisms cause pollution in the form of | | | | filtration units. Since these are not integrated into the |
| waste and if not removed would cause toxin | | | | fish tank the capacity and duty may be of a higher |
| development and consequent illness of the fish. The | | | | quality and obviously cost compared to the previous |
| aquarium filtration units consolidate this waste and | | | | internal type. The control is better and one can |
| purify the water that recycles back into the fish tank. | | | | incorporate additional accessories that enhance the |
| The assembly of a filter relies on filtration media that | | | | filtration of the water for your aquarium. |
| serves the purpose of removing chemicals, particles, | | | | 3. Air driven under gravel filters was earlier used by |
| and bacteria. Commonly filters are available as | | | | aquarium owners when the power driven versions |
| packaged units with mechanical and bacteriological | | | | were still in its nascent stage. This is a kind of |
| media. Chemical filtration can be added to this. | | | | biological filter where the water is purified and kept in |
| Nitrogen residues in the form of ammonia causes | | | | constant motion through the gravel bed and the |
| distress to fish and the bacteriological filtration unit | | | | aerobic bacteria produced breaks down the waste |
| remove this component very successfully. | | | | into less toxic products, thereby rendering a |
| Short description of Aquarium Filtration Units | | | | pseudo-filtration action. The assembly is electrically |
| There are four basic types that you can install in | | | | driven or can be attached also to a power pump. |
| case you are assembling your own aquarium. These | | | | Easily available and of a lower cost, the under gravel |
| are: | | | | type of aquarium filtration units offer an easy solution |
| * Internal Power type | | | | to keeping your aquarium clean and healthy. |
| * External Power type | | | | 4. Finally, air box filters driven by internal air are |
| * Powered filters | | | | compact and fit alongside the aquarium fish tanks. |
| * Internal box type filters | | | | They are made of plastics and contain suitable |
| Let us compare the features of each filter assembly. | | | | filtration media. The air box filters are no longer used |
| 1. Internal Power driven filters are in two parts. The | | | | in professional or commercial units where the |
| main cylinder contains a bio foam compound and is | | | | previous three types are more popular. They can |
| attached under the submersible pump that drives the | | | | provide low cost easy installable aquarium filtration |
| filter. This is a mechanical filtration system and is | | | | units that a newbie or small fish tank owners can |
| most common in aquarium filter units integrated with | | | | easily use. |
| fish tanks. The filter unit first mechanically filters the | | | | |