External Aquarium Filters - Overview

Eheim Professionel 3

This external filter makes the aquarium heart beat faster. It cleans aquariums from 120 to 250 liters volume content reliably, is still low-maintenance and very quiet. Even the power consumption leaves all competitors in the shade. The filtering is carried out in separate chambers using different media. The incoming water first passes through a pre-filter, then flows through ceramic filter elements and plastic balls with a large surface area. The water leaving the filter through biological and mechanical filtration ensures the well-being of the fish and is crystal clear. Due to the large pre-filter the cleaning is rarely necessary. Most of the time it is enough to clean the pre-filter and you do not have to clean the complete filter, because the large surface area and volume ensures a good prefiltering. Should it be necessary after 6 -12 months to clean the complete filter is even a children's play because the different filter media are located in individual filter baskets, which also allow an individual filling and easy to remove. It is also advantageous that the filter has individual cleaning grids, which makes cleaning much easier.

Conclusion: A high-quality external filter is suitable for all aquarists who are concerned about the well-being of their fish and want a very low power consumption and high flow rate. The cleaning of the filter is rarely necessary and when done with a few handgrips. The aquarium filter from Eheim is very quiet and the super quality of the components in which high-performance ceramics was installed guaranteed a very long life.

Tetra EX 800 Plus

The Tetra EX 1200 Plus filter offers an unobstructed view of its lovingly designed aquarium as it externally treats the aquarium water. Highlights are the five different filter media. The scope of delivery also includes filter rings made of ceramic, carbon filter, filter sponges, filter balls on plastic as well as cotton fleece for fine cleaning. Due to this coordinated combination of filter media, the filtration is carried out optimally and provides crystal-clear aquarium water over a long period of time. All hoses and filter media are included. So you do not have to buy a part separately to start. Operation of the filter can start immediately after delivery. The mechanical, chemical as well as the biological filtration leave nothing to be desired. The Tetra EX 1200 Plus is absolutely impressive in the filter results as well as in the handling. Due to the many filter media, it has to be cleaned very rarely. Approx. Every 6-12 months is completely sufficient. All filter media can be replaced or cleaned separately. The pre-filter of the Tetra EX 1200 Plus is used for easy cleaning and keeping the frame within the frame. Unobtrusively and quietly he cleans the aquarium water so that one sometimes forget that the aquarium is permanently cleaned by an external filter.

Conclusion:
The Tetra EX 1200 Plus external filter is perfect for all aquarists who want a very low maintenance low-maintenance filter and do not want to have an unsightly internal filter in their aquarium. A crystal-clear aquarium water with the Tetra EX 1200 Plus is no longer a huge effort. Comfort Cleaning and handling require no expert knowledge. A great device with which also the price-performance ratio is right.

Eheim Professionel 3 350T

The Eheim thermal external filter Pro 3 350T is just the right external filter. Whether perfectionists or aquarists who would like to have full control over their filtration and heating of their aquarium. The filter makes a thermometer in the aquarium superfluous as it can be adjusted to the desired temperature by pushing the button from 18 to 34 degrees Celsius. In addition, the water temperature can be read in a large LED screen on the external filter. The heating element is located on the filter bottom and directly heats the water flowing through the filter with a robust 210 Watt heating coil. Temperature fluctuations thus remain. The heating power is constant 16 watts. Eheim Thermo-external filter professionel 3 350T is equipped with a generous pre-filter with 0.5 liter capacity. In the coarse soiling accumulates before the water passes through further stations of the filtering. The other filter stations contain the Eheim BioMech as filter media. This is used for mechanical and biological filtration. Then the Eheim SubstratPro, which provides for a biological water treatment. As a result, the almost finished water passes through a filter insert with filter fleece, which removes the last dirt particles from the water. The main filter with a volume of 4.5 liters works quickly and efficiently with an output of 1,050 liters per hour. The flow can be regulated and adapted to the needs.

Conclusion:
The Eheim Thermo-external filter professionel 3 350T is suitable for all aquarists who want to spend little time with the pelts and cleaning their aquarium and want to have a sophisticated and efficient filter which simultaneously heats up the water.

Fluval A212 306

The external filter mentioned here contains all necessary materials for assembly. The detailed instructions ensure a quick start with just a few hand movements. With a flow rate of 1,150 liters per hour, this filter runs with only 15 watts. He is very quiet and does not disturb in the bedroom either. The damping impeller design is also responsible for quiet operation. The one by 8 to 15% quieter operation than with devices of the competition allows. The cleaning of the Fluval A212 306 is therefore only rarely necessary. The water flow can also be stopped easily with the integrated Aqua-Stop system. Therefore do not remove the hoses! Reinforced clamps provide a secure seal. Therefore, the advantage that there is no more water spans. This means that the separately separated filter chambers can be refilled very simply, just like the filter media. After the filter media have been exchanged, the efficient suction system can be used to start the filtration process very easily, without the need for troublesome suction. Therefore, no more water is added to the mouth when it is aspirated and everything runs automatically.

Conclusion:
The Fluval A212 306 external filter is an all-round filter. Its shape makes it very stable and efficient. Therefore the filter media filter the water guaranteed crystal clear. The outer filter must rarely be cleaned. The filter is environmentally friendly due to its low consumption of only 15 watts and also economical. The filter is also extremely quiet during operation. An undisturbed aquarium enjoyment for a long period of time therefore nothing stands in the way.

JBL CristalProfi e1501

The Greenline filter series by JBL is distinguished by its very low power consumption. This is an external filter, which offers natural filtering with ecological added value. This JBL filter is based on a high biological cleaning performance due to its 12 liter filter volume, in which very much water can be quickly freed of dirt. By optimizing the rotors and the motor units, such low current consumption is possible with such high efficiency. Furthermore, the operation of an external filter has the advantage that the dirt particles removed from the water are not further in the water but are located externally in the external filter and do not release any pollutants. The filter media include the new sintered glass biofilter materials JBL MicroMec. This material has a much higher decomposition rate than conventional brittle sponge filters. Ceramic rings of different diameters are also included, which, depending on the layer, further clarify the water. The different diameter of the ceramic rings provides a large surface area and increasingly narrowing spaces, through which no dirt particles can reach. Because of the many different filter stages, cleaning the filter media or replacing it is not often necessary, so that it is rarely necessary to worry about it. After cleaning, the external filter can be easily put back into operation by means of the built-in suction button, which automatically restores the vacuum, without having to be sucked in externally, as is often the case with comparable models of the competition.

Conclusion:
This filter is ideal for all those who, with the choice of their filter, care for the environment through electricity saving and, of course, also keep their current account low. In addition, this JBL external filter is an efficient device for cleaning the aquarium water, which leads through many filter media and a longer dwell time of the water through the very high filter volumes, that glass-clear water leaves the filter back into the aquarium. Added to this is the simple cleaning and functionality that this all-rounder brings with it.

Fluval A412 Premium G6

The Fluval A412 Premium external filter G6 offers an intensive and efficient cleaning of the aquarium water. An elaborate pre-filter does not often require cleaning the filter. The pre-filter can also be replaced during operation without interrupting the filter process. The Fluval A412 pre-filter consists of a robust high-performance pre-filter cartridge, which collects much more suspended matter, even before decomposition, from the basin than mechanically functioning filter foams. In addition, extragrower filter baskets are integrated with biofilter media. Filter cartridges for the removal of nitrate and phosphate are also to be purchased if necessary. The maintenance intervals are monitored for the different filter media and displayed on the LCD display. An alarm is also started when maintenance is required, so you can forget your filter and enjoy your aquarium. The Hydrotech technology built into this external filter measures important parameters, which are extremely important for every aquarium enthusiast. The flow rate, the water temperature and the conductivity of the water flowing through are measured and displayed on the LCD display. The conductivity indicates how many suspended particles and ions are dissolved in the water. The lower the conductance the cleaner the aquarium water is. This can be determined with this filter for both freshwater and seawater aquariums, since the device detects quickly after a short time what water it is.

Conclusion:
This high-quality external filter is suitable for aquarists with special requirements for safety and control. The modern design and a sophisticated technology at the A412 makes this filter something special. Moreover, it is first-class for people who rarely care about maintenance, but always want to have the values such as water temperature and conductivity at hand.

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