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Turbid water in the aquarium causes

maintenance, care, compatibility

Muddy aquarium: from what and why the water becomes cloudy, what to do

Preparations eliminating mechanical turbidity in an aquarium



Why does the water in the aquarium grow muddy?: Start the aquarium; muddy water :: Aquarium fish.

Muddy water in an aquarium is a common problem that even experienced aquarists sometimes face. It can be fatal for your fish.

To avoid this, you need to understand the causes of this trouble and eliminate them.

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

An aquarium is a microworld where organisms appear and die. It consists of a fine interconnection of fish, plants and bacteria.
When you create a new aquarium in a few days there is a huge number of bacteria, excessively breeding in water. This leads to its turbidity.

This process is quite normal and natural. Before you run the fish in the aquarium with new water, you just need to wait a few days until it clears itself.

Due to lack of food, most bacteria will become extinct, and the biological balance of water will normalize. To change the water in this case is strictly prohibited, because it also becomes cloudy. It is best to add some water from the old aquarium, where the balance has long been established.

If this is not available, nothing terrible, the balance in the water itself is settled, it just takes more time for this.
Another cause of muddy water can be overfeeding fish. Excess feed, which your pets do not have time to eat, sink to the bottom and begin to rot. As a result, the water begins to deteriorate.

In such an environment, the inhabitants of the aquarium can not feel good, and their long stay in bad water will destroy.
When a large number of fish in the aquarium and, at the same time, poor filtration of water, there is its turbidity. The inhabitants of such an environment will certainly begin to poison the body with decay products, which will lead to their death.
The cause of muddy water can be algae. There is a certain species that, if overproduced, leads to a turbid environment in the aquarium and at the same time emits an unpleasant odor.

Another problem may be excessive light or accumulation of excess organic matter at the bottom, which stimulates the rapid growth of microscopic algae, and as a result water will bloom. It becomes opaque with a greenish tinge.

With a lack of light, the plants in the aquarium will turn brown and begin to rot, which will ruin the habitat of the fish and harm their health.

To deal with muddy water is not difficult, the main thing is to understand the causes of turbidity and follow certain rules in the future.
First you need to determine the cause of the turbidity of the water. If it consists in overpopulation of the aquarium, then it is necessary to strengthen the filtering or move some fish to another place. If the reason is the accumulation of excess feed on the bottom, then you need to reduce the dose of food or purchase bottom fish that will eat up the settled food.

If there is a problem with lighting, you need to darken the aquarium or enhance the light. To prevent the rapid growth of algae, it is recommended to start fish or snails that eat plants. In order to maintain biological balance in an aquarium, it is imperative to have a good filter that matches the size of the water tank.

You need to understand that in the aquarium the water is alive, and to maintain balance you need to maintain certain conditions. It does not recommend the use of chemicals, they can lead to even greater environmental disturbance and will require a longer recovery.
In maintaining balance in water, its change plays an important role. After launching a new aquarium, it is not necessary to change the water for 2-3 months until the balance is improved.

In the future, the water should be replaced 1-2 times a month. At the same time merging only 1/5 of the total volume of the aquarium and adding as many new ones. If you change more than half, then the habitat is disturbed, which will lead to the death of the fish.

In small aquariums, water can be replaced less frequently, provided there is a good filter.

Aquarium is a special natural-territorial complex with individual properties. Changing one part may entail a change in the whole. So, consider the main causes of turbidity:

  • improperly selected soil;
  • improper feeding of the inhabitants;
  • overpopulation;
  • frequent or abnormal water changes;
  • missing or malfunctioning filter;
  • the presence of large fish;
  • small size aquarium.

All these factors lead either to mechanical pollution of the water, or, worse, to bacterial.

Consider the cases of mechanical pollution. These include the small size of the aquarium, the presence of large fish, the wrong ground.

The small size of the aquarium leads to frequent biochemical flashes, especially if the inhabitants are chosen incorrectly. Thus, the smallest containers are usually allocated for shrimps, snails, and other relatively neutral residents.

When dregs appear, it is necessary to reconsider and, if possible, change the population of the aquarium, settle the filtration. Perhaps the problem is in the wrong type of filter.

Tips for eliminating:

  1. Change the location of the filter (from horizontal to vertical or vice versa), as the landscape can interfere with the flow of water.
  2. Replace the filter itself. A stronger filter or another type of filter (bottom, internal, external) can help.
  3. Change the filter filler.
  4. Follow the lighting in the day, if necessary, reduce it.
  5. Change the population from too large fish to small ones or reduce the number of small fish, but increase the number of biological cleaners.

The reason for the turbidity of water may be excessive feeding of fish. It should be at least a few days deliberately underfed pets, make sure that the food has been eaten completely. How to determine whether ate fish? After 15 minutes from the start of feeding you need to remove all the remnants of food, preventing rotting residues at the bottom and the subsequent deterioration of water.

The soil must be properly selected, pet shop consultants will always help. And it also needs to be poured competently, not evenly horizontally, but with a slope to the back wall in order to make it easier to clean.

The color of the water in the aquarium is determined by various factors. Among them are the presence of living plants or slugs, feed properties, low oxygen saturation, reproduction of bacteria and, as a result, the growth of algae that settle on the ground, glass, and everything that is in the water.

Reproduction of microscopic green euglenic algae leads to the staining of the aquatic environment in a yellow-green or bright green unnatural color. A small amount of these plants is always available in any aquarium.

They get with food, imperceptibly contained even in clear water. And active reproduction leads to greening, which can be caused by improperly organized, excessive lighting of the aquarium.

Trying to keep the fish in sight, you still need to protect them from direct sunlight, as well as from enhanced artificial lighting. In winter, lighting should be switched on for no more than 10 hours, and on a summer day – for 12 hours.

Otherwise, euglena can cover both walls and decor items; it will not be so easy to clean them in the future.

To combat single-celled algae, you can place a horn plant in the aquarium, which will release water from excess nitrogen, and the growth of microalgae will be stopped. If possible, add tadpoles or daphnias, and after a day remove them from purified water.

An increased level of phosphate in the water also leads to its fast greening. These salts may be contained in large quantities in fish feed and into the water with excrement.

The source of phosphate can serve as tap water. To combat excess phosphate, you can plant special plants. Chemical methods are used for cleaning.

There are special powders for sale that are harmless to fish and plants.

When buying fish to novice aquarists, it is recommended to always consult with experts working in the store. They will help not only to choose the ground, filter, food, but also explain what kind of fish can be planted in one aquarium.

After the first start of the aquarium, sometimes the water becomes cloudy, thus acquiring an uncharacteristic color. In itself, turbidity is not a terrible phenomenon, it is a signal that something is wrong in the water and there is a need to do preventive procedures to eliminate the problem.

Turbid water after launching appears due to a number of reasons, after studying which, the reservoir can be put in order.

What is the aquatic environment characteristic of new aquariums?

A few days after installation and start-up, the water in the aquarium dimmed dramatically. Why it happens?

  • The fact is that in the “immature” reservoirs the biological environment has not yet formed, the beneficial bacteria have not spread enough, and are in a state of “stress.” While they multiply massively, and after a few weeks, their colonies will adapt to the new reservoir. In old aquariums, bacteria do not multiply abundantly.
  • The water in the new aquarium also becomes cloudy from the light particles of soil, which rises under the influence of frequent water changes. When pouring water directly on the ground, its pellets rise sharply, floating for a long time. This process creates a visual turbidity of water. To avoid this, it is necessary to make a careful and gradual injection of fluid into the tank. After this, the sediment will “calm down” and settle to the bottom. Purchased fish are unlikely to create a “hurricane” in a new home – they are shy and often hide in shelters. Water with sand sediment is harmless to fish and plants.


Watch the video about why the water in the aquarium grows cloudy.

  • If the water is dimmed and painted in an unnatural color (pink, black, blue) – look at the color of the soil and stones. Activated charcoal will help to bring water into ordinary color – it discolors the paint.
  • Recommendations for the operation of recently launched aquariums

    After a new life in the aquarium wakes up, you need to do the necessary procedures so that no turbidity appears in it.

    1. In a new aquarium, do not partially refresh the water for 2-3 weeks until the microflora has stabilized. A complete change of water is harmful for both fish and plants.
    2. In order to avoid organic sediment at the bottom of the aquarium, you need to do fasting days for the fish. Give the fish as much food as they eat in 1-2 minutes. Unfinished food residues can be collected personally using a special siphon.

    See how to properly feed aquarium fish.

  • Install a quality filter and aerator in the aquarium. Often, turbid water appears due to a poor cleaning system.
  • Use heavy soil with a sinking fraction. Some types of sand or gravel are not able to sink to the bottom even a few days after the installation of the reservoir. Such a ground is deadly to all inhabitants of the reservoir. Either rinse it thoroughly or use coarser sand.
  • Causes of green sediment in the tank

    Causes of turbidity in the aquarium, turbid water in the new aquarium

    Water turbidity in an aquarium is one of the most common problems that no one is immune from, because even experienced aquarists may be confronted with this. Turbid water indicates that biological equilibrium is disturbed, and the cause may be a bacterial outbreak, improper replacement of water, inaccurate feeding of fish and many other factors.

    Sometimes, once you have eliminated the cause, the water becomes transparent, that is, the balance is restored, but with serious violations it can lead to the death of all living things in the aquarium, including plants.

    If such a problem arises, the main thing is to quickly determine the cause of the turbidity of the water. As soon as you start the aquarium for the first time, 2-3 days from the moment it is launched, the area becomes habitable with single-celled organisms.

    Thus, all causes of turbidity in the aquarium are based on a bacterial outbreak. That is why experienced aquarists strongly do not recommend immediately after filling the aquarium to populate it with fish.

    Wait one week until balance is established. Do not change the water, as over time it will still become muddy.

    If the aquarium was acquired long ago, and muddy water has only become lately, the cause will be much more difficult to find. Firstly, this may occur due to improper feeding of the fish, that is, overfeeding them.

    The fishes do not have time to eat everything, the remains settle to the bottom of the aquarium and quickly spoil the water. In this case, clean the aquarium, change the water and reduce the amount of food so that it does not remain.

    Muddy water in a new aquarium is not a cause for concern, and if it has acquired a muddy look in an aquarium that has been inhabited for a long time, then pay attention to filtering: if you have a lot of fish, water purification may be incomplete, and if you do not correct the situation in time, then the fish will start dying due to decay products.

    If the water in the aquarium is not just dimmed, but turned green, then this indicates an active growth of algae, which later on decay and turn brown due to lack of light. The main features of this process are turbid water and a bad smell.

    Watch your aquarium carefully, and if you notice that the water has started to darken, then do not delay finding out the reason, otherwise all living things may perish in the future. Try to immediately understand what is happening and change the water.

    How to get rid of dregs in an aquarium :: how to clean white dregs in an aquarium :: Fish aquarium

    Many aquarists are faced with the problem of turbidity in aquariums. There are several reasons for this phenomenon – algae bloom, biological surge, high levels of organic carbon.

    How to get rid of dregs at aquarium?

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

    1. Appearance white or gray dregs in new aquarium can be connected in the ground bookmark. Rinse the soil thoroughly before placing it in the aquarium.

    As a rule, 1-2 days after the water has been laid, aquarium becomes transparent. The presence of turbid water for three or more days after placing the soil may indicate insufficient thorough washing.

    2. If after filling the soil in the new aquarium, the water became transparent, and then the turbidity reappeared – this indicates the establishment of the biological equilibrium of the system. Such dregs are called bacterial. After the formation of a sufficient number of beneficial bacteria, it usually disappears on its own.

    In order to make life easier for the fish during this period, it is recommended to replace 1/4 of the aquarium’s water daily. Try to feed the fish as little as possible.

    In the first month of use of the aquarium do not run there too many inhabitants.

    3. The cause of the appearance of green dregs at aquarium is usually algae bloom. To remove green dregs It is necessary to change 1/4 of water daily. Remove and rinse the filter media of the aquarium filter thoroughly.

    Reduce the amount of feed. Turn off the light and do not turn it on until the green dregs disappear. If possible, purchase a special UV sterilizer or use algae remedies sold in pet stores. To avoid the appearance of green dregs, It is recommended to place the aquarium in such a way that it does not fall into direct sunlight.

    It is strictly forbidden to place aquariums on the windows on the south side.

    4. The appearance of yellow dregs can be triggered by several factors. Such an effect may occur from an excess of fish waste products.

    In this case, you need to purchase a more powerful aquarium filter. If you recently placed a snag in the aquarium – most likely the reason for the appearance of yellow dregs in this one. You should know that the process of leaching the wood pigment lasts from 2 to 6 months.

    After that, the water will again become transparent. During this period it is recommended to change the water in aquarium a little more often than usual. Another cause of the appearance of yellow dregs there may be rotting plants.

    Remove dead and diseased algae from the aquarium. Conduct water purification with activated carbon.

    However, you should know that it absorbs from the water not only harmful, but also useful substances. Therefore, the maximum use of the carbon filter is one week.

    After applying this filter, you need to make sure that all other indicators of water remained normal.

    With the help of an aquarium your home will be filled with beauty, comfort and warmth of exotic reservoirs. Aquarium is a great place to observe beautiful fish and calm meditation. However, a damaged tank can ruin both your mood and the health of its inhabitants.

    Sometimes the water goes out and it stinks like a swamp. Muddy water spoils the impression, and makes the nursery unfit for further use.

    The problem requires an immediate solution, which involves finding out the cause and its immediate elimination.

    The main reasons why the water from the aquarium smells unpleasant, are indicated below:

    • Irregular cleaning of the tank or poor cleaning (filtration);
    • Improper aeration, due to which the water is not saturated with sufficient oxygen;
    • Unsuitable aquarium plants;
    • Nursery overpopulation – little water is allocated to one adult animal;
    • Overfeeding fish, reptiles or amphibians;
    • Feeding pets low-quality food;
    • The sudden death of the inhabitants of the reservoir, the body goes dead and decomposes;
    • The appearance of sludge in the soil and water.


    If the aquarium fluid has become rotten, which has strongly started to smell, and even smells like a swamp, it is possible to establish the causes of the imbalance of the aquatic environment through practice and observation. In the course of the research, it will be possible to determine the method by which turbid water, which goes dead and smells unpleasant, will be neutralized.

    To solve the problem should be phased actions.

    1. Decide whether you chose the right fish food. To do this, change the water, buy another, better food and test it in a few days. After a day, a turbid liquid that smells like a swamp has disappeared and is clean, odorless, which means the cause of the problem was unsuitable food. In the case where the action did not lead to a result, other reasons should be sought.
    2. It so happens that you feed the fish and other animals with high-quality feed, but the aquatic environment is still muddy and “gives” the swamp. Probably, you overfeed the inhabitants of the nursery, and they do not have time to eat all the granules. Not all fish eat a lot, so arrange unloading diets for them and add less feed to the water. After a few days, smell the tank – if the unpleasant smell has disappeared. If yes, then you have found the reason. The uneaten food is mixed with the soil, decomposing.

    Watch a video on how to feed the fish properly.

    If you are a beginner aquarist and for the first time launched an aquarium, due to lack of experience you could create the wrong neighborhood in the nursery. It turns out that not all types of fish, snails, amphibians and reptiles get along together.

    Some will disturb others, and because of close space, someone will fall ill and die, quietly sinking to the bottom. Due to severe stress, insufficient shelters and swimming places, the inhabitants of the reservoir excrete feces with a characteristic aroma. After a day or two, muddy water will appear with a stench.

    What to do – get a spacious tank, pour water into it with suitable parameters, and populate compatible pets there. Or buy two aquariums at once, if many species are incompatible within the same space.

    Also carefully inspect the bottom – maybe one of the fish died, and the body is still not removed.

  • Wrong decorations can “decorate” the aquarium with an unpleasant smell. This is not a perfume, but a living growth, it has its own life. In this case, contact a specialist (a seller in a store or a botanist), and ask whether the purchased plant is able to secrete flavored vapors. Specify the size of the tank capacity, type of soil and water parameters. Replant the plant in the right environment – it may need a larger or smaller aquarium.
  • When the fish behave excessively actively, they try to lie to the bottom – the reason for the incorrect supply of oxygen, impaired work of aeration. To fix the equipment, you must:
    • install a compressor with high power;
    • replace the filter with a new one, with a forced circulation system;
    • Ask a specialist how to adjust the oxygen supply to an acceptable level.

    See how to replace the water and clean the soil in the aquarium.

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