Filtration is essential to balance the tray and without it we should change the water almost every day. The filter is just the kidney of the tank: it will recycle and purify water in the tank. But unlike a kidney, there is no waste disposal: it must be done by hand during filter maintenance. Body
Living the aquarium, the filter should not be stopped beyond a few hours. The principle
filters All filters obey the same principle: the water is removed, it passes through different filter materials properties and different roles, which will retain the wastes (mechanical filtration), treated with bacteria (biological filtration), retain or disseminate certain substances (chemical filtration) and finally back into the water tank.
Different types of filters
There are several types of filters, which have their advantages and disadvantages. They are internal (in the tray) or external (outside the tank). It may be mentioned in the internal compact internal filter, settling internal filter exhauster the undergravel filter, and external compact external filter, settling external semi-wet the filter, filter runoff, filter fluidised sand bed.
In general, an aquarium comes with one of the following three filters: compact internal filter, settling internal or external compact filter.
The compact internal and external filters are similar: they consist mainly of a chamber filled with filter media through which a pump will circulate the water. The internal versions are to be reserved for small tanks (up to 100 liters) and external versions for large bins (from 100 liters). The internal
decantation tanks in pack (or type Juwel Ferplast) resemble finally an internal filter, but with a chamber into several compartments. The name actually seems inappropriate in this case and it is more of a variety of internal filters.
Examples of internal and external filters (Rena) and settling internal (Ferplast)
Other types of filters are to be reserved for the aquarist confirmed magnet experiment.
Which filter to choose?
Let your tank comes with a filter and you can use it at least to start if it is correct and sufficient, or you need to choose your equipment.
The best compromise is the compact external filter : ease of use and maintenance, high power and importance of chamber size and cons risk (almost nil) leaks.
compact internal filter is less aesthetic, limited in volume and less simple maintenance. The settling internal
packs seems more appealing because compact all-in-one, but eventually it shows its limitations in size and maintenance.
The filter is characterized by speed are schedule, in liters per hour. It is recommended to take a hourly rate of about 3 times the tank volume (eg 600 l / h for a tank of 200 l). In practice, the actual throughput will be lower: resistance of filter material, length and cleanliness of pipes, etc.. For a tank with big polluters (like goldfish, cichlids or) it can take up to 5 times. Needless to
too powerful: it will create too much turmoil and may interfere with some fish. Be sure to break the flow of rejection in this case.
The filter is a vital organ of your aquarium. Do not bad economies: take filter properly sized and a recognized brand . The brand seems Eheim acclaimed, but other brands have correct products: Rena , Hagen, JBL, etc..
To continue:
- filtration and filter media
- Filtration: an example of organization of the filter (to come)
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