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Filters for aquarium internal photo

maintenance, care, compatibility

The best filter for aquarium: types of filtering, photo-video review

– These are the simplest and at the same time effective filters for an aquarium. Some “old-fashioned” call them “glasses.”

The essence of their work is very simple – the filter has a pump (motor) and an absorbent sponge. The pump pumps the aquarium water, which passes through the sponge, is cleaned.

Such filtration effectively copes with the removal of large contaminants: food residues, fish excreta, residues of dead organisms, etc.

If you have a small aquarium and not very large fish swim in it, such a mechanical filter will be quite enough.

– These are filters that provide filtering through various absorbents. The most common absorbent is aquarium coal.

Also in the aquarium used and other absorbents – ion exchange resins, for example, zeolite. Filters that provide for the possibility of such filtering are more practical than mechanical ones.

Since the pores of absorbent materials are able to absorb smaller particles of pollution of aquarium water, and ion exchange resins can effectively fight even the most harmful poisons – ammonia, nitrite and nitrate, which are formed and gradually accumulate in the aquarium.

Biofilters filters and aquarium biological filtration

– These are filters that combine the possibility of using various types of filtration of aquarium water. Some filters have all three of the above filtering types.

But it is worth noting that even the simplest mechanical filter can be used as a combined one. That is, use in it and absorbent sponge, and for example aquarium coal.

So let’s summarize the above. If you have a small pond and not very big fish, then your choice is a mechanical filter. Such filters are not expensive, easy to operate and clean.

But, if you have a large aquarium, large fish or just a lot of them, then our recommendation for you is to choose a combined filter with the presence of biofiltration. Such a filter is more expensive, more difficult to clean, but it will serve you well.

For those who still want to do mathematics or want to make an aquarium filter on their own, here is the formula for calculating the power of the aquarium filter

Buying a good aquarium filter, you should also pay attention to its technical characteristics. In a word on power.

The power of the filter is determined by its ability to pass a certain amount of water for a certain period of time. Usually 300l./hour is written on the filter pack, 1000l./hour – pay attention to this.

If you do not want to bother with the calculation of the necessary filter capacity, then you can simply look at the recommended aquarium volumes for this filter, which are written by the manufacturers on the packaging, for example, “designed for a volume of 150l.”. However, this figure is not always true.

Therefore, we advise you to take a filter with a “recommended volume” mark an order of magnitude higher.

A rather important technical characteristic of the filter is its “noise”. Good aquarium filters are noisy, but quiet. Agree, I would not like to hear the roar of the motor from the aquarium at night, as if “a flock of night bikers travels around your bed.”

If possible, do not take Chinese aquarium filters or filters of unclear brands. Trademarks that have proven themselves in the market, try to make their products high-quality and silent, but such filters are much more expensive than Chinese.

It is very difficult to recommend you a particular firm – there are many of them, and they are not always “branded”. But, based on my own experience, I dare to draw your attention to the AquaEL TM – a combination of price and quality.

There is still a small aspect of the technical part of the aquarium filter – this is its assembly and disassembly and accessories. Some filters, even mechanical ones, are equipped with two containers, some with one, some are equipped with additional nozzles for aeration and other gadgets, others are not.

Some are easy to disassemble and clean, others are difficult. Therefore, choosing the best aquarium filter in the store, at least turn it in your hands, look at the accessories, think about whether you need them or not.

Now let’s consider the issue of choosing an aquarium filter based on its location.





Perhaps these are the most popular and best-selling filters. Their price is much cheaper than external filters, easy to operate and clean.

As a drawback, some aquarists point out that they occupy space in the aquarium – thereby eating up precious volumes. However, this is a controversial point, because the filter does not occupy 1/3 of the aquarium. Well, yes, it takes 2-3 liters of volume, hanging quietly in the corner.

It seems to me that this is not a very significant drawback, especially for medium and large aquariums.

– This is a compromise between the internal and external filter. The hybrid of both is “hanging from the outside, but working inside.”

These filters are not so popular among aquarists, because they work according to the principle “not yours is not yours,” perhaps its only distinguishing advantage is compactness and space preservation both in and under the aquarium.

So, summing up the above, we can recommend internal filters for small, medium and not very large aquariums (up to 200 liters). For large aquariums, external aquarium filters will be good.

Of course, this statement is relative, because no one has yet canceled individual aspects and wishes.

Concluding this article, I would like to note that there are other methods, mechanisms for filtering aquarium water, such as – a bottom filter or “false”. Such methods are less popular and have a number of advantages and disadvantages.

In the future, if necessary, you can make them yourself.

I want to believe that this article has helped you determine the choice of the best aquarium filter. But, remember that no even the coolest filter will not replace the banal weekly replacement of aquarium water.


Internal filter for aquarium and everything you need to know about it.

The technology of proper installation of the water filter is always of interest to novice aquarists. And this is natural, since so much depends on this device, including the physical condition of the “tenants” of the artificial home reservoir.

So, in the specialized shop with the help of a consultant, the necessary internal water purifier was selected. Before this, you should carefully check its completeness and read the tips on installing and running into work.

First, the device must be assembled according to the recommendations set forth in the instructions for use. Can’t wait to check it at work?

You should not hurry, because the filter must first be properly fixed in an aquarium filled with water. And, beginners, as a rule, have some questions.

How deep should the glass be dipped? What is plastic flexible transparent tube for?

The vast majority of internal water purifiers are attached to the wall of the aquarium in a vacuum way using special suction cups. These suction cups are included in the package.

Prerequisite: the filter must be completely submerged in water, the height of the water level above the top of the device must be from 2 to 5 cm.

A transparent flexible tube serves to supply air to the device and is attached to its “nose”. The other end of the tube should be outside the aquarium, outdoors.

It would seem that you can already run the “glass” in the work. However, experts recommend making the first inclusion, removing all living creatures from the aquarium.

You never know what! What if the device has a manufacturing defect? It is better not to risk and move all the fish for a short time in a small sump.

If the first inclusion showed the normal operation of the technical device, pets can immediately run into their water house.

After the first power up, it is recommended to set the power regulator, which is available on each filter, to the middle position. It takes some time to observe the condition of your pets and then empirically determine the optimum power of the filtering device.

Already from the name of this cleaner it is clear that it is installed on the bottom of a water house for fish. But the choice of this type of filter is resorted to only when there is very little or no decorative bottom aquatic vegetation in the aquarium.

Such a device is a relatively thin plate with an internal filter material and a multitude of holes through which water flows. Some believe that such a plate with tubes attached to it can be simply put on the ground and that will be enough.

This is a misconception – the bottom cleaner should be installed, not just put.

First, remove the soil from the bottom of the aquarium (or from a separate section) and put a plastic frame that will raise the false-bottom by 2-3 mm. Only then can the technical device be closed with a primer, and then put it into operation.

Not only the purity and high-quality chemical and biological composition of water, but also the degree of air saturation depend on the proper installation of any aquarium filter. In addition, it determines the reliability of the device itself.

In any case: before the water purifier is put into operation, you need to carefully read the instructions attached to it and strictly follow the rules specified in it.

How to install the internal filter in the aquarium, see the video:

Devices can be divided by filtering capabilities. The simplest glasses carry out only mechanical cleaning of water and partially biological.

Accordingly, they are the cheapest.

In some models, the number of sections for the installation of filter material is increased, which also allows for chemical treatment of water using activated carbon or zeolite.

Internal filters also differ in their performance, that is, in the volume of water that is pumped through the system per unit of time. Immediately it should be noted that the 300-liter capacity is the principal limit for the technical devices under consideration.

As a rule, the pump on the internal cleaner is mounted on top of the glass, but there are models where it is located below.

internal filter photo

There are modern devices that have additional options, for example:

  • built-in water heater to maintain the temperature in the aquarium;
  • an injector for supplying air with water;
  • regulator and pump power indicator;
  • flow direction switch and others.

Of course, accessories and options affect the price of the device.

Advantages of internal filters:

    Low cost internal filter.

    Moreover, even the brand of the manufacturer does not matter in principle (if you don’t go into extremes, of course, and don’t get all sorts of “soap dishes” of Asian production, when they write only numbers on the box, but in fact it turns out that everything should be divided into 2 or 3 ).
    The most important criterion when choosing a filter is its performance in liters per hour, which is determined on the basis of the capacity of the existing aquarium. Performance should be at least 3 volumes per hour.

    Better yet, 5 volumes.

2. Relatively high performance. This refers to the number of water flowing in liters per hour, and not the incomprehensible value of the “efficiency of biofiltration”;

3. Security. Water can flow only into the aquarium. And only in the aquarium.

If the filter is stopped for one reason or another, the flood will not follow.

4. Ease of maintenance of the internal filter. This statement, however, is true not for all brands of filters. The maintenance mainly consists in weekly washing of the filtering material in a separate tank with aquarium (!) Water and less often in washing the rubbing (rotating) parts of the internal filter;

5. Low noise. Fairly not for all brands of filters.

As a rule, with a decrease in the flow of water (there is such a possibility in almost all filters) the noise level decreases. Therefore, there is a definite reason to acquire a power filter somewhat larger than necessary;

6. Possibility of simultaneous aeration of aquarium water. This “service” is in almost all internal filters. They should not be abused, since in some types of internal filters the air supply is coupled with the run of water: the more the air supply valve is open, the less water passes through the filter.

In addition, with the full opening of the air valve air bubbles become very large, which significantly reduces the process of dissolution of oxygen in water. The most convenient and effective is still the acquisition of a separate node – an air compressor;

Disadvantages of internal filters:

    The small volume of the filtering material and, as a result, the small area for settlement of useful bacteria. It should be specifically mentioned that in order to increase the filter efficiency in terms of biological water purification, it is wrong to increase the flow rate through the filter element, since in this case a substantial part of bacteria is simply washed out with water.

    In the thickness of the aquarium water benefit from bacteria is small. In addition, it has been empirically proven that the beneficial properties of bacteria manifest themselves “one hundred percent” only at a certain rate of flow of water. Those. increase the number of bacteria colonies in only one way – an increase in the area for its settlement, which ultimately involuntarily returns us to the use of an external filter with a large amount of filter material;

2. It occupies the useful volume of the aquarium. In fact, this occupied volume is negligible – usually no more than a few percent of the total volume of the aquarium .;

3. High load on the filter element (mechanical and biological cleaning at the same time). The part of the surface of the filter element on which I would like to settle more aerobic bacteria will be clogged with dirt. And during the weekly wash, sponges along with the dirt will wash out some of the good bacteria.

By virtue of the above, a change in the number of beneficial bacteria will each time lead to some, albeit insignificant, but still instability of the biological environment in the aquarium. Therefore, you should not clean the sponge with the fury of a joyful housewife. Try to do this operation … with the negligence of the employee;

4. Lack of possibility of chemical water treatment. For the chemical treatment of water is usually used activated carbon. In fact, chemical cleaning is not an obligatory link in every aquarium.

But occasionally the fish still get sick and you have to add medicines to the water. After the course of treatment, it is necessary to draw out the remnants of drugs from the aquarium, and the coal here is simply irreplaceable.

Therefore, it is better to purchase an internal filter with at least one additional section for possible filling with coal.

5. Lame aesthetic side. Nothing covered by the box of “foreign flowers” is unlikely to complement the biotope you have built.

But this minus is easy to fix, – just cover up the object with something, for example, with a beautiful frame.

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