Water filtration is one of the main tasks due to which favorable conditions are maintained in your aquarium for keeping and growing fish. This article describes in detail about the types of filters for cleaning present in the current market and their effectiveness.
Also an important difference is their price depending on the type.
The most common at the moment are 3 types of filters:
The most budget, and therefore the most common option are internal filters. They are a pump that distills water through filtering material combined with it in one package.
As a filter material they use foam sponges.
In case of contamination, it is enough just to rinse the sponge under the tap and put it back into the filter. The filter unit is completely immersed in water and mounted on suction cups to the wall of the aquarium. If you are confused by the appearance of the filter in the aquarium – you can simply cover it with a snag.
This type of filter is easy to handle and does not require much effort to clean it. It purifies water only from waste products and visible pollutants.
Toxic substances and drugs to remove from the water, he can not.
The next type of filter is bottom. It has some advantages over internal ones.
Bottom filter creates circulation of water in the soil, thereby creating a useful microflora in the soil. It also has disadvantages, the main of which is the need to choose the right soil fraction.
Water should quietly penetrate through the soil retaining large particles. Another drawback of the bottom filter is the need to clean the soil at least 2 times a year.
There are 2 types of water supply in the bottom filter.
In the first case, the water after the purification stage is fed into the ground leaving in the upper layers of the aquarium.
In the second case, the dirty water from the aquarium is sucked in by the bottom filter through the soil.
The third type of filters is external canister filters. These filters have the ability to fill various filter elements to create a good water purification. Most common as filler is activated carbon.
It helps to make the water in the aquarium crystal clear, but do not forget that this is just an illusion, since activated charcoal does not remove such harmful substances as ammonia and nitrite from the water.
External filters are usually located near the aquarium. Their price is much higher than that of other types, but the filtration quality is the best (when using biofiltration fillers).
External filter types include the waterfall filter. This is not a sealed filter that hangs on one of the walls of the aquarium, and most of it is located on the outside.
From the inside of the aquarium, there is only a water intake tube, water from it flows into the internal compartments of the filter, and then through the wide groove back into the aquarium. In the filter itself there are usually 2 compartments for filtering materials.
You can put a filter sponge, activated carbon, ceramic rings, in general, everything you want.
The advantages of this type include the following:
- low price
- possibility of using several types of fillers at the same time
- high performance and ease of maintenance.
The disadvantages include increased water noise caused by the design feature of the filters and the active evaporation of water from the filter groove during operation.
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