Fish Tank Pump

Aquarium Pump Types And Everything You Need To Know About It

August 19, 2019
Aquarium Pump Types And Everything You Need To Know About It

In an aquarium, living organisms and plants are much larger than in the same volume of water in a natural reservoir. This is one of the causes of rapid water pollution. A larger volume of water is easier to cope with an imbalance. Partially to solve such problem of small house reservoirs the pomp for an aquarium helps. Without it, most aquarium fish will float on their backs, because this device performs the functions of purifying the aquatic environment.

Design features and operating principle of the pump

Electric centrifugal pump, immersed in aquarium water, has a simple design. It consists of an engine and a filter compartment. The stator and the rotor with the impeller are coaxially placed in the hermetic casing of the engine. The filter compartment has a cylindrical shape, with perforations. A multi-layer filter is put on it, thanks to which the water sucked by the pumps is cleaned of various particles and suspensions.

Filter for aquarium made of multi-layer sponge. When the engine is turned on, the rotor with the impeller begins to take in the aquarium water, driving it through the sponge filter, and then pushes the cleaned water back through the outlet. Many models have an aerator that saturates water with oxygen.

Watch a video about aquarium pumps.

Aquarium Pump Types And Everything You Need To Know About It

Some manufacturers of aquarium pumps in order to give the device an aesthetic look, put a filter sponge filter in a plastic container. For aquarists, the idea of ​​improving the appearance of the pump is useless and even harmful. Reducing the volume of the sponge filter makes water treatment less efficient. After all, the spongy surface is a haven for colonies, nitrifying bacteria, thanks to which biological purification of the aquatic environment is carried out.

Read more:  How To Make A Water Pump Do It Yourself For The Aquarium

Most aquarists prefer to make equipment for aquariums with their own hands. The Internet allows you to find many ideas for making homemade aquarium pumps. For those who want to save the family budget, a pump assembled with their own hands is the best option for a home aquarium, why buy imported equipment that is too expensive.

What is the pump for?

In the main equipment of the aquarium water pump is a significant device. Without it, it is impossible to create comfortable conditions for the life of its inhabitants. After all, such a device helps to maintain the purity of the aquatic environment. In general, the pump in the aquarium performs the following functions:

  • supplies water to the sterilizer or filter element;
  • participates in the filtering process;
  • creates a rhythmic movement of the entire water mass of the volume;
  • with its help, create various effects, such as waterfalls, streams.

In order for the device to properly perform all these functions, you need to choose the pump for the aquarium correctly.

By what criteria to choose a pump for the aquarium

Domestic and foreign manufacturers today produce a variety of pump models, so for beginners in aquarism, the question of how to choose a pump for an aquarium seems quite reasonable. An unequivocal answer is impossible to give. Before you choose a pump, you need to decide on the place of its installation. In addition, for the right choice, you need to take into account many factors.

type of instalation

Depending on the conditions of use aquarium pumps are submersible and external. By the name of the first it is easy to guess that they are under water, such pumps are more often used. External pump is fixed on the wall of the tank outside.

Read more:  Installing A Water Pump In An Aquarium


For an aquarium, you need a pump with a capacity that exceeds the volume by 3-5 times. For small containers the best option would be a mini-filter with a capacity of up to 400 l / h. This indicator is indicated in the passport of the device among its other technical characteristics.


Due to the continuous operation of the pump, the power consumption increases, so it is wiser to opt for a model with low power. But at the same time it should be sufficient to maintain comfortable conditions for fish and vegetation in the aquatic environment.

Pump noise

This criterion is especially important when the aquarium is in the bedroom. The noise level of the pump is indicated in the passport of the device. Outdoor pumps have a higher noise level. It is worth paying attention to the models of famous brands, since they are less noisy.

Manufacturing material

All external and internal pumps have plastic housings. The only difference is that the engine for freshwater aquariums has a metal axis, and for pumps that work with salt water, engines are made with a ceramic axis.

Some features of the installation

Installation of the aquarian pump absolutely simple. You can do it yourself. The device is usually attached to the walls on special suction cups or with a bracket. In a tank, it is more practical to place a submersible pump in a corner, directing the water flow along a large wall. This will speed up flow and improve cleaning. When installing two pumps, it is necessary to separate their water flows in different directions. What is it for? So that they do not interfere with each other to create a continuous flow.

Read more:  Aquarium Inlet Pump With Their Own Hands

Do not allow the submersible aquarium pump to work in the air, as this can lead to overheating of the engine and its failure. If you have to choose where to install an external pump, you need to remember that it is better to place it away from electrical outlets and electrical appliances. This will avoid problems when leakage occurs.

Care of the filter device

Care of aquarium pumps consists mainly in its regular cleaning. Cleaning can be done after the device stops working. The raid, which covers the body, is removed with a brush or a stiff sponge. Regular rinsing and replacement is also required for the sponge filter. Moreover, the replacement of the sponge should be carried out in layers, so as not to remove, along with it, beneficial bacteria. Wash the sponge filter preferably with water drained when replacing. To reduce sponge contamination, the pump should be turned off when feeding the inhabitants of the aquarium. You can resume pumping water after most of the feed is eaten.

A pump installed outside also needs cleaning, only much less frequently. Usually it is carried out with a decrease in water pressure. Clean the device when disassembling, but first you need to de-energize it. All parts are washed with a brush under running water. To wash the filter using aquarium water.