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Why muddy water in an aquarium what to do

maintenance, care, compatibility

Water in an aquarium quickly becomes turbid: what reasons can?

Muddy water in the aquarium This is one of the most common problems that even experienced aquarists face. The reason for the violation of biological equilibrium can be a bacterial outbreak, improper feeding of fish, replacement of water in the aquarium and other factors. In some cases, it is enough to eliminate the cause, and after a few days the balance will be restored.

But sometimes the turbidity of the water in the aquarium can lead to the death of fish and plants. In any case, first of all it is necessary to establish why water grows turbid or blooms in the aquarium.

And, only on the basis of the causes of violations, will it be possible to take any action.

Why does the water grow turbid in the aquarium?

When starting the aquarium for several days, there is a bacterial outbreak caused by excessive multiplication of single-celled organisms. Therefore, it is not recommended to colonize the fish immediately after launch. It is necessary to wait until the balance is established and the water becomes transparent.

At the same time, changing water is also not worth it. A change of water will only cause it to become cloudy again.

Usually, fish are settled in 5-7 days, and in order to speed up the process of restoring biological balance, it is recommended to add water from an old aquarium.

Turbid water in the aquarium can be the result of overfeeding the fish. If the food is not eaten completely, and settles at the bottom, the water will quickly deteriorate.

Also, muddy water in the aquarium may indicate poor filtration. With a large number of fish, you need to think very well about the water purification system, otherwise very soon the fish will start poisoning with decay products, which can cause the death of the inhabitants of the aquarium.

Why is the water in the aquarium green?

The flowering of water is due to the rapid growth of microscopic algae. This may be caused by an excess of light or accumulation of organic matter at the bottom. With a lack of lighting algae begin to rot and turn brown.

If the water in the aquarium is clouded and smells, then the cause may be the reproduction of blue-green algae.

What to do if in the aquarium muddy water?

First of all, of course, you need to eliminate the cause of turbidity. If the problem lies in overpopulation of the aquarium, then you need to either increase water filtration or reduce the number of fish.

If at the bottom of accumulated remnants of food, you need to reduce portions, and you can also settle the bottom fish that eat food settled on the ground. When flowering you need to darken the aquarium, if there is an excess of lighting, or vice versa – to establish a more powerful lighting system with a lack of light.

To prevent excessive algae growth, it is recommended to make fish or snails that eat excess vegetation. It is also worth paying attention to the filtering system. The presence of good filters is a prerequisite for the maintenance of the aquarium and the preservation of biological equilibrium.

Sometimes it is recommended to add special additives to the water, but most aquarists do not support this method of restoring balance. In any case, it is necessary to understand that the living water in an aquarium is the result of the interaction of many living beings, therefore, time and certain conditions are necessary to restore balance.

Incorrect actions can lead to even greater disruption, so the main task is to create conditions for stabilizing the balance.

How often do I need to change the water in the aquarium?

Proper replacement of water in an aquarium plays an important role in maintaining balance. A common mistake is to replace too often or replace large amounts of water. With a small litrazh such errors can result in the death of the fish.

Before you change the water in the aquarium, you need to check the water quality, acidity and temperature. With a large volume, it will take about 2 days to restore balance; with a small volume, water needs change very carefully. After the launch of the aquarium water can not be changed for 2-3 months, until equilibrium is established.

Subsequently, every 15-30 days replace up to 1/5 of the total volume. With a good filtration system and a small amount of fish, water is changed less frequently and to a lesser extent.

If you replace more than half of the water in the aquarium, then the whole formed environment, including fish, may die.

In order to avoid problems, it is worth taking care of the proper equipment, starting and settling the aquarium from the very beginning. If you follow all the rules, it will not be difficult to achieve and maintain biological balance, and caring for an aquarium will not cause problems.

Nothing has such a fascinating effect on humans as the movement of fish in a home aquarium. Yes, you can spend hours enjoying the view of a virtual aquarium, looking at a computer monitor.

You can watch the fish on the TV screen. You can, in extreme cases, go to the aquarium and see the real, living fish.

But the brightest, most impressive observations gets the owner of this home aquarium.
However, the whole impression of the observed spoils the muddy, green water. Why does the water in the aquarium quickly grow cloudy?

The reason for this may be either improper replacement of water, or improper feeding of fish.
Muddy, polluted water sometimes leads to the death of plants or even fish. At the first filling of a new aquarium with water, the so-called “bacterial outbreak” occurs, when single-celled organisms start to multiply very rapidly.

Therefore, you can not immediately run the fish into the aquarium. We must wait until the water is clear, i.e. balance in the water. Water at this time is not necessary to change, because again it will become cloudy.

Fish are settled into the “new house” in six to seven days, and to speed up the restoration of balance, you can add water from the old aquarium.
The water in the aquarium becomes cloudy in the case when the fish are regularly overfed. The little inhabitants of the aquarium eat so funny, so they want to feed them endlessly. But not eaten food settles on the bottom, on the walls of the aquarium and leads to pollution of the water itself.

The situation is further complicated by the falling of the remnants of feed between the stones, in the ground, where it is not visible.
With poor filtration, the water in the aquarium also becomes cloudy and therefore it is important to have a good water purification system, since the decomposition of products can cause poisoning and death of the inhabitants of the aquarium.
If a lot of organic matter has accumulated at the bottom of the aquarium or there is a surplus of sunlight, then microscopic plants grow rapidly and water blooms. You can fight blooming by reducing the illumination of the aquarium with direct sunlight.

And if you move the aquarium to a darker place is impossible, then you just need to temporarily block it from the sun with some transparent material. most often this is done using ordinary tracing paper.
When, on the contrary, light is not enough, the algae begin to die off, rot and become brown in color. When a specific smell of turbid water is heard at the same time, the rapid growth of blue-green algae can be the cause.
When the water in the aquarium becomes cloudy, what to do will prompt you to close observations.
If you have determined that the cause of turbidity is overpopulation of the aquarium, then you need to urgently reduce the number of fish or strengthen water purification.
When the water in the aquarium becomes cloudy because the half-eaten food remains on the bottom, reduce the portions or settle the fish that live on the bottom and feed on food that has settled on the bottom. Feed must be completely eaten in 5 to 10 minutes.
When water blooms, you must either replace the aquarium, or install a new, good lighting system.
To prevent algae from growing in the aquarium, add snails or fish that feed on vegetation. This will save you from decomposition of plants in the water, and, therefore, from clouding.
It must be remembered that a good filtration system is necessary to maintain the aquarium. When the water in the aquarium becomes cloudy, it adds special additives that allow you to clean the water. But this should not be done, because living water is the interaction of microorganisms that live in it.

Create certain conditions and wait a bit, and the correct balance will be restored. And wrong actions can lead to even greater imbalances.

A significant role in maintaining balance in the aquarium and plays the correct replacement of water. Need to change a small amount of water! With a small volume of aquarium water in the aquarium becomes cloudy and this leads to the death of the inhabitants of your underwater world.

First you need to check the quality of the water, the temperature and its acidity, and only then start the replacement. In a new aquarium, water must be changed three months after establishing balance.
Therefore, it is immediately necessary to acquire the necessary correct equipment for the aquarium, and only then populate the fish.

Why does the water in the aquarium with fish quickly become turbid :: should the auto-oil in the frost grow turbid :: Aquarium fish

The aquarium is not only an interior decoration, but first and foremost an ecosystem that lives according to the laws common to all ecosystems. It is stable when there is a biological and chemical equilibrium in it.

An imbalance immediately affects the appearance of the aquarium, and primarily the quality of the water.

The question “opened a pet store. Business is not going. What to do? “- 2 answers


Turbidity in the aquarium is usually caused by the massive development of various bacteria. Where do bacteria come from?

They, like other microbes, enter the aquarium with fish and plants. Their source can also be soil, fish food and even air with which water is in contact.

A certain number of bacteria is always present in each of the elements of the ecosystem. In a certain amount, they are harmless to other inhabitants of the aquarium.

At the same time the water remains clean and clear. With the mass reproduction of bacteria, you will definitely encounter two or three days after filling the aquarium with fresh water. This is due to the fact that in the absence of a sufficient number of other organisms, bacteria begin to multiply rapidly.

Outwardly, it looks like a light whitish or nacreous homogeneous dregs. The process of reproduction of bacteria goes faster if there are plants and soil in the aquarium.


After another 3-5 days, the clouding disappears. This is due to the appearance of ciliates in the aquarium water, which are intensively eaten by bacteria.

There comes a moment of equilibrium of the ecosystem. From this point on, fish can be settled in the aquarium.

Plants need to be taken from an aquarium with healthy inhabitants.


The clouding of the water in an aquarium where there are already fish can be caused by an organic slurry. The suspension is formed from the waste products of fish and plants, as well as improper feeding and an excess of dry food. To control the suspension, aquarium filters are used, including biological ones, in which organics are actively absorbed by bacteria living on the filter material.

Mandatory measures are also cleaning the bottom, removal of dead parts of plants, dead organisms, excreta.

The rapid turbidity of the water in an aquarium with living fish can be a manifestation of an imbalance and may be the first symptom of the disease of the entire ecosystem. For example, precede the blooming of water.

In this case, the aquarium has a large volume, frequent full change of water in it is impractical. It is easier to restore biological balance by adjusting the light mode and replacing only part of the water. In large aquariums, biological balance is easier to maintain than in small ones, but it lasts longer.

Branching crustaceans (daphnias, moinas, basmins, etc.), which feed on bacteria, are good feeds for fish are good sinkers of dregs. A mandatory equilibrium factor should be considered aeration and filtration of water.

Filters should be cleaned regularly.

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