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Why does the water in the aquarium smell?

maintenance, care, compatibility

How to get rid of the smell in the aquarium :: should the aquarium smell like :: Apartment and cottage :: Other

Some novice aquarists are faced with this situation: recently changed water suddenly begins to emit a whole bunch of unpleasant odors. The solution to this problem depends on the cause of the stench, and there may be several ways out.

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1. The first thing that can be done is to thoroughly clean the aquarium and everything that is in it (stones, shells, decorative castles, houses, etc.). Rinse the inside of the glass well, as even if at first glance they seem to be clean, they may still have a slippery water stain on them.

If a few days later from the aquarium again smells unpleasant, you need to look for more reasons in more detail.

2. First, determine which smell comes from your tank. If it smells a bit of mud or swamp, you can calm down. This fragrance means only that everything is in order with him and his inhabitants.

This aquarium should smell like a river.

3. If you feel completely different unpleasant odors – rotten eggs, onions or garlic, you must take decisive action. The smell of onions can produce some aquatic plants.

For example, if in your aquarium cryptocarins live, there may be such a smell. In this case, add to them a pair of ambulium bushes, a little hornpole, and a few hemianthus bushes.

Unpleasant aroma should disappear.

4. The cause of the unpleasant the smell there may be impurities that accumulate at the bottom of the “pond” – these are both waste products of fish, and remnants of food. If the aquarium is too large and there is no possibility to wash it completely, just draw a primer siphon.

For this purpose, a special device is used in the form of a hose with a tip through which water passes, taking with it all the accumulated dirt.

5. Together with the ground siphon it is necessary to carry out the process of partial replacement of water. This will also help to heal the atmosphere and remove substances harmful to fish. This should be done twice a week, at the same time it is necessary to replace from 20 to 30% of the water in the aquarium.

You can use ordinary tap water, but it must be defended during the day.

6. Determine if the fish have enough oxygen. To do this, see if they float close to the surface, gasping for air.

In this case, you need to buy a good air compressor, which must constantly work, providing good aeration.

Why is the aquarium water quickly dimmed if the tank is equipped with a filter? The main problem is that on the very first day of the launch of the aquarium there is no holistic and permanent biological environment. The so-called “bacterial explosion” is caused by an active increase in the number of unicellular microorganisms, which are constantly multiplying.

In this case, the fish should not be settled, it is better to do it on another day. When microflora equilibrates in the tank, then the water will become crystal clear. Nothing serious needs to be done – this sediment will pass by itself.

If you decide to change the water – it will again become muddy and unfit for life.

For 4-7 days the aquatic environment is fully restored, you can run plants and fish into it. To speed up the process, you can add water after the old aquarium with “residential” water.

Another common problem with the rapid turbidity of water in an aquarium is poor filtration of the reservoir. It should be well thought out system of purification, and this should be done quickly, until the young fish and did not have time to get used to a new house. A bad filter does not allow bits of dirt, feces, food debris, provoking the formation of decomposition products.

Such rotten water constantly stinks and can cause diseases.

Watch a video about filtering water in an aquarium.

Why still water quickly becomes cloudy? If it has become an unpleasant green color, dimmed in a short time – it means that microscopic blue-green algae develop in it, which lead to the flowering of the reservoir.

With good development of organic and strong light, they make themselves felt on the fifth day. When the light is not enough, cyanobacteria will acquire a brown color and begin to rot.

Green color of the liquid with muddy, unpleasant smell – signs of growth of blue-green algae.


Wrong settlement of fish as a reason for the rapid turbidity of water

Full replacement of water is required only in the rarest cases, for example, with general quarantine or water poisoning. Why not do this procedure often?

Because the day after the complete substitution, you will notice how the water turned cloudy again. A significant loss of its volume is stress for all inhabitants of the reservoir.

Even during the death of some fish do not replace the water. But there are a number of recommendations, after studying which it is possible to understand why substitutions are necessary.

  • Substitutions are necessary after the introduction of pathogenic microorganisms;
  • Replacements are required after visible flowering of the reservoir;
  • Urgent water changes are necessary when a fungal mucus is detected;
  • Refresh water is required due to severe soil contamination.

You can add water to the tank as it evaporates, but not more than 20-30% of the total volume. It is best to update 1/5 of the aquarium once a week. After the procedure, the biocenosis will recover in 2 days.

With the replacement of water cleaned the glass from plaque, remove debris from the bottom, clean snags and decorations.

It is better to plan a water change for both small and large reservoirs in advance. Type in a glass tank water from the tap, and leave it for a few days, covered with gauze.

Chlorine and gas will evaporate, the liquid will be safe for fish. And it should be remembered that in the first week of operation of the aquarium the water is not changed until an ecosystem is formed in it.

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.

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