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Why do plants rot in an aquarium?

maintenance, care, compatibility

In the modern interior of any housing aquarium is not only an element of design, but also the pride of the tenant and the owner of the room. Sometimes, when a person gets tired of everyday worries and work, he may come home to watch the carefree fish and algae – it calms and relaxes the nervous system.

But an aquarium is one design item that needs care. Sometimes the plants in the tank start to rot.

Below, an attempt will be made to answer the question of why the plants in the aquarium turn yellow.

The reason for this phenomenon may be the ground or lack of light. For those plants that need to be rooted in the ground, the soil needs a fraction of a half to three millimeters.

But some plants can do without soil. For lighting it is worth using fluorescent lamps, the power of which should not be below 30 watts.

The second reason for this trouble is the quality of the water, since some of the plants are very sensitive to various chemicals that are found in the water. To do this, the water from the aquarium should be cleaned, filtered, etc.

Strange as it may sound, fertilizers can have a negative effect on both plants and fish. But, since the need for fertilizer plants are scanty, manure provided by the fish themselves may be suitable as fertilizer.

Although it is also possible to use clay balls or liquid complex fertilizers.

There may be problems with carbon dioxide content, which can be eliminated by installing appropriate equipment. All living organisms are subject to disease, and plants are no exception.

If the plants in the aquarium have lost their beautiful appearance, started to turn yellow and drooped, then the diagnosis is one, and it is very simple – the plants are sick.

To save the root system, it is enough to cut off the rotten parts of the plant, change the water, and also remove the dead parts of the plants from it. If the leaves are yellowed, it is not necessary to assume that the plants are rotting in the aquarium – maybe they were just damaged by the fish, which turned out to be somewhat voracious.

Therefore, in the process of determining the disease of a plant, attention should be paid to whether the inhabitants of the aquarium themselves are not related to this. Moreover, in many cases, the signs are very similar to each other.

To do this, just need to follow the behavior of their pets in the aquarium.

Why do aquarium plants grow poorly? The most appropriate answer is bad conditions created in the aquarium. Then what needs to be done to make the plants grow better?

To solve the problem should use some recommendations.

In an ordinary freshwater aquarium, it so happens that live plants die. Why it happens?

In the aquarium should not be a large number of fish. The products of their vital activity in large quantities are harmful to plants. If you decide to add neighbors to the fish, consider whether this is the right decision.

It may be better to purchase another tank, and move some of the fish there.

The amount of light also affects the life of water seedlings. Natural light or artificial lighting should be scattered around the area of ​​the aquarium.

The length of daylight for most plants is 10-12 hours. Lighting is best done using fluorescent lamps with a power of 0.4-0.5 watts. Set the light intensity yourself, but it is better to start from dim, and ending with a brighter one.

But as a result of intensive lighting in water, algae can rapidly multiply, which will also hinder the growth of plants.


Feed the fish should be in small portions, it is better to give 2 times a day as much feed as they eat in 2-5 minutes. It is important not to overfeed, otherwise the remnants of the feed will be oxidized, as a result of toxic ammonia, which also algae. Remove residual food with a siphon with a hose; resort to this procedure as often as possible.

Do not forget to clean the water with a filter, do a weekly replacement of water with fresh. Plants in the aquarium prefer pure, infused water.

Why aren’t the plants in the aquarium even more luxuriant and taller? It is necessary to find out the parameters of the aquatic environment in which the fish and plants live. Water is crucial in the well-being of all living organisms.

The composition of water depends on the appearance of vegetation, its growth, reproduction. The less heavy metal salts in water, the better the plants will feel. It is also recommended to make periodic measurements of water for toxic substances, acidity, hardness, oxygen and carbon dioxide levels.

Many plant species develop well in a pH-neutral medium, in water of medium hardness. The hardness range is 4-15 dH, and the acidity pH 5.5-6.5 is suitable for many aquarium plants.

See how to make a test of aquarium water for hardness.

In addition to salts, which affect the hardness of water, there are also metal salts (lead, tin, copper, zinc), which can affect the functioning of seedlings. In certain quantities, they are useful, but exceeding the permissible rate is fraught with the death of the seedling. In salts, there are residues of acids (nitrous, nitrate), the concentration of which in water can be several times higher than the permissible threshold.

Plants are not easy to process them, so they grow poorly or die.

Saplings can grow poorly due to a close aquarium and poor soil. Tropical species like silted soil saturated with humus. If the roots do not get enough nutrients, they die off.

Try using fertilizers to help restore the root structure. A close aquarium also causes poor growth.

A stalk will never grow to the desired height if there is not enough room for it.

The temperature of the water below the norm also provokes slow growth. Some plants of temperate latitudes easily tolerate a wide range of temperature conditions (from 14 to 27 ° C). Plants native to tropical latitudes can only live in warm water (22-26 ° C).

Lowering the recommended temperature threatens extinction. It is believed that algae are harmful, but Kladofor algae is a very hardy species that withstands moderately cool and warm water.

Also hardy are aquarium mosses and ferns.

What needs to be done to improve the growth of aquatic plants?

  1. The lighting should be of such intensity that the light is scattered across the entire surface of the bottom of the tank, reaching a depth of 50 cm. Incandescent lamps are very powerful, so they need to be turned on for a short time, unlike fluorescent lamps.
  2. The hardness of the aquatic environment should not be higher than 15-20o.
  3. Make partial water changes, clean the ground with a funnel hose. Repeat the procedure 1-2 times a week.

Watch the video about the water change.

  • In the aquarium should be present plants of different species, preferably as many bushes as possible.
  • It is not recommended to put in the aquarium fish that harm the green – eat it, dig up the soil with the roots.
  • In the aquarium it is better to settle the fish that cherish the vegetation – these are labo, moths, guppies, petsia, young antsistrusy, girinoheily, catfish corridors.

  • Feed the fish moderately, not overfeeding.
  • If the seedlings are in unsatisfactory condition, take measurements using indicators, soften water if necessary.
  • Before launching a new tank, plants should be quarantined for 2-3 weeks.
  • Many species adapt to the aquatic environment gradually, they are passive in their reactions. Observation is required to understand whether the seedling has been able to adapt to new conditions.
  • Having learned all the possible reasons why plants do not grow lush and taller, you can gradually solve the problem. Make a list of actions, set the correct mode in the aquarium, do everything possible to restore the biological balance of the mini-ecosystem.

    Aquarium plants are all for beginners with photos and video

    And finally, a few words about artificial aquarium plants. Once they are sold, once I buy them, it means they have a place to be in our reservoirs. No trouble with them at all – I buried a plastic bush and admire!

    The benefits of such plants are zero, moreover, they grow well harmful algae. And over time, plastic breaks down and becomes brittle!

    They cost more than living plants. Nevertheless, such plastic aquarium plants, as an element of decor, look very much even in a pond.


    Video – Webinar All the secrets of growing aquarium plants
    Start video from 54:43 minutes
    and further,

    Plants are an established aquarium biosystem, no harmful substances in the water, no algae.

    Everything is simple! Aquarium plants are the primary indicator of the status of your aquarium.

    If the plants “wither”, turn yellow and rot – this is a sure sign of the poor condition of the aquarium and conversely lush, beautiful spreads – this is a 100% indicator of the excellent state of the aquarium world.

    Aquarian plants are a natural interior and “maternity hospital” for fish, fry, shrimps, snails, etc.

    Plants are an additional food for aquarium inhabitants.


    Many, starting to engage in an aquarium, think that the plants in the aquarium are unnecessary problems and concerns. However, it is not. Actually for the normal life of the plants in the aquarium, as well as for the fish, the main thing is to arrange everything.

    In relation to plants, this is achieved by selecting the right soil, fertilizing with fertilizer and due to good lighting. That’s all!

    Well, once a month you need to cut them, now everything is for sure. A little more detail on each of the above nuances.
    PRIMING: The soil for plants is purely individual. Some plants do not need it at all, while others need a thick layer of soil.

    In general, it can be said that the soil for plants should be from 3 to 5 centimeters thick and medium grain. It is this thickness (and more) that will allow the plants to take root well. A newly planted plant can be slightly pressed with a pebble the size of a larger one, well, or pinned down with some decor, it is possible to tie the plant with a fishing line.

    A common mistake is to tie a lead weight plant to the horse system – this is not very good. Yes, the plant does not float and it is difficult for fish to pull it out. But the lead is oxidized, and besides it prevents the roots of the plant from developing.

    The same applies to other goods.

    By the way, about the question of the correct planting

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

    Preparations eliminating mechanical turbidity in an aquarium

    If the clouding of a young aquarium is forgivable to an aquarist, then dregs in the old pond are his sin! Violation of the biobalance in well-established water bodies is often due to oversight, due to the lack of basic care, due to ignorance or unwillingness to know what is happening in the aquarium. The exculpatory causes of the clouding of the old aquarium are “whiteness after the treatment of fish”, that is, when aquarium chemistry and preparations were used in the aquarium.

    Like any “medicine” aquarium chemistry has side effects, in particular the violation of biological equilibrium.
    What happens in the old aquarium? Why does the water grow cloudy in it?
    And almost the same thing happens as in a young aquarium. But, if I may say so, in regressive order.
    To make it even clearer to you, let’s break the aquarium biological chain into links. NITROGEN CYCLE is as follows.
    “DIRT AND TRASH”
    (remnants of dead organics, fish food, feces, etc.)
    decompose under the action of bacteria in

    AMMONIA / AMMONIUM
    (the strongest poison, destructive for all living things)
    under the action of another group of bacteria is decomposed into

    NITRITES, and then NITRATES
    (less dangerous, but also poisons)
    further decompose to

    GAS STATE
    and out of the aquarium water
    As you understand, this process is multistage and has its own nuances.
    For those that want to study it in more detail, I recommend to go to the forum thread NITRITES AND NITRATES IN THE AQUARIUM. And now imagine what will happen in the old aquarium, if one of the links, for one reason or another, falls out?

    That’s right – dregs! Sorry for the tautology))) Unlike the dregs in a young aquarium, the turbidity in the old aquarium not only spoils the appearance of the aquarium, but is also very dangerous. The following happens: under the influence of non-excreting poisons, the fish’s immunity weakens, their protective mechanisms weaken and become unable to resist the “harmful” – pathogenic bacteria and fungi (which are always in the water).

    As a result, the fish gets sick and if you do not conduct treatment in time, the fish dies. Thus, we can conclude that the violation of biological balance is the primary cause of the death of aquarium fish.

    In fairness, it should be said that the saturation of aquarium water with excess ammonia, nitrite and nitrate – can occur without turbidity of the aquarium water. What is even worse, because the enemy is invisible.

    HOW TO GET RID OF BIOLOGICALLY DISTURBED AQUARIUM

    or how to set up biobalance
    First of all, you need to make regular cleaning in the aquarium, do not overfeed the fish. Remember that only the constant and correct replacement of aquarium water to fresh water is an effective way to get rid of poisons.
    ATTENTION: To replace the water in a young aquarium, in order to get rid of turbidity is not necessary. In the first month, the water in a young aquarium generally needs to be tried less often and in smaller volumes.

    Water should “infuse.”
    Drugs that eliminate the biological clouding of the aquarium – preparations setting biobalance:
    Almost all aquarium brands in their arsenal have a line of products that customize the biological balance.
    The essence of these drugs can be divided into those that:
    – neutralize poisons (nitrites and nitrates);
    – promote the growth of colonies of beneficial denitrifying bacteria or are a ready concentrate of these bacteria.
    To achieve the maximum effect, you should use these drugs in a complex. Especially with a flash of nitrite and nitrate.
    Preparations that neutralize nitrites and nitrates Zeolite is an ion exchanger, in fact, as well as aquarium coal is an absorbent. But, unlike coal, which is not able to “tighten” nitrites and nitrates, zeolite copes with it perfectly. Zeolite is used not only in aquarism, it is widely used in other areas of human life.

    Therefore, it can even be bought by weight.
    Zeolites are a large group of similar in composition and properties of minerals, aqueous aluminosilicates of calcium and sodium from the subclass of frame silicates, with glass or pearlescent gloss, known for their ability to give and reabsorb water, depending on temperature and humidity. Another important property of zeolites is the ability to ion exchange – they are able to selectively release and reabsorb various substances, as well as exchange cations.
    Aquarium preparations containing zeolite.

    Fluval zeo-carb – filler for filters zeolite + activated carbon.
    This is a combination of Fluval activated carbon and Fluval Ammonia Remover. Working together, these highly effective means of active filtration, which eliminate pollution, odors and color, and at the same time, remove toxic ammonia:
    – Protects aquarium from toxic ammonia.
    – At the same time, coal adsorbs waste products, dyes and drugs from water.
    -Reduces the phosphate content in water.
    The combination of the two products frees up space in your filter for other types of filtering.
    Aquael ZeoMAX Plus – zeolite in the form of small crumb, removes ammonia and phosphates, stabilizes pH.
    Due to its chemical structure, it provides excellent absorption of organic pollutants, nitrogenous compounds and phosphates that are toxic to fish, which are a consequence of the metabolism of aquarium inhabitants.
    Zeolite should not be left in the filter for more than one month.

    For more information about the advantages and disadvantages of zeolite, see the forum thread “Nitrites and nitrates”, namely HERE.
    The drug acting at the chemical level.

    Sera toxivec – a drug that at the chemical level instantly eliminates NO2NO3. Since this is chemistry, it is recommended to use it as a preventive measure and once.
    Immediately removes hazardous contaminants, life-threatening fish and filter bacteria, from aquarium water. Equal effectiveness against different types of pollutants makes this tool especially valuable.
    Sera Toxivec instantly eliminates ammonia / ammonia and nitrites. Because of this, it prevents their transition into nitrates and helps prevent the growth of irritating algae.
    In addition, Sera Тoxivec eliminates aggressive chlorine from tap water. Also effective as a disinfectant disinfectant and medication remover.
    At the same time, it is capable of even more: it binds toxic heavy metals such as copper, zinc, lead, and even mercury. Therefore, these pollutants can not harm the fish and beneficial bacteria in the biofilter.

    Due to this, the frequency of water changes can be reduced.
    If necessary, for example, with particularly high levels of contamination, an increase in the applied dose of the agent is allowed. Repeated depositing is allowed in one or two hours.
    Drugs that promote the growth of beneficial colonies
    bacteria or are ready concentrate bacteria
    Tetra Bactozym – This conditioner, accelerating the process of stabilization of biological equilibrium, in the filter and aquarium. Suitable for fresh and sea water.
    Tetra Bactozym accelerates the conversion of nitrites to nitrates and contains a concentrate of enzymes and substances that contribute to the development of beneficial aquarium microflora. It makes water crystal clear and provides enzymatic decomposition of dissolved organics.

    The use of an air conditioner reduces the damage done to the beneficial microflora when changing water and washing the filters, and restores microorganisms that are weakened or damaged by the use of medicines.
    We draw your attention to the fact that biostarters contain various types of cultures of bacteria and enzymes. Too high or low temperatures reduce their effectiveness.
    Tetra NitranMinus Perls (granules) – for reliable reduction of nitrate in water. The drug eliminates the nutritional element necessary for the development of algae, which allows for a long time to improve water quality, reducing, thereby, the need for care of the aquarium.
    – lowering the level of nitrates by 12 months by biological means.
    – algae growth is significantly inhibited.
    – just buried in the ground.

    Tetra NitrateMinus (liquid conditioner) – biological reduction of nitrates, calculated for 12 months. Improves water quality.

    Interferes with formation and growth of seaweed (duckweed). Designed for all types of marine and freshwater aquariums.
    Convenient dosing: 2.5 ml of new liquid NitrateMinus for every 10 liters of water, once a week.
    Like NitrateMinus in granules (Pearls), liquid NitrateMinus facilitates the processing of nitrates into nitrogen and lowers carbonate hardness. A decrease in nitrates by 60 mg / l leads to an increase in carbonate hardness of approximately 3 KH. With regular use of the drug after replacing water, the pH of the water stabilizes and the risk of falling acidity decreases.
    Fully compatible, NitrateMinus is based on biological processes in an aquarium and is completely safe for fish. It combines perfectly with TetraAqua EasyBalance and other Tetra products.
    Sera bio nitrivec (Sera bio nitrivek) – preparation for quick start aquarium. Special blend of various high-quality cleansing bacteria for aquariums. Sera nitrivek prevents the accumulation of ammonium and nitrite.

    The use of Sera nitrivek makes it possible to place the fish in the newly created aquarium already 24 hours after application. When entering the water bacteria
    begin to act immediately. The resulting effect is stored in
    For a long time, giving a crystal water aquarium water.
    There are other drugs of identical orientation. I recommend sharing Tetra Bactozym and Tetra NitranMinus Perls.
    And when using NO2NO3 flashes, use zeolite.


    How else can you achieve a “good biobalance”?

    – Biological equilibrium is more stable if live aquarium plants are present in the aquarium. Plants partially absorb the decay elements of living organics and thereby reduce their concentration. The more aquarium plants, the better.

    I recommend to read the article. AQUARIUM PLANTS ALL FOR BEGINNERS.
    – Aquarium snails and fish “orderlies” will help you in cleaning the aquarium. “Squad” of the same coil snails copes with dying leaves and organic matter. Fish nurses also help in this matter. The majority of aquarium catfish can be attributed to them: corridors, antsistrusy, girinoheiliusy, aquatic sequences, thoracacums, and many others.
    – It is advisable to use multistage filtration of aquarium water. And also use other methods that improve water quality, for example, phyto filtration.

    Why is there an unpleasant smell coming from the aquarium?

    Let’s talk about the unpleasant smell from the aquarium

    In general, a light rotten smell from the aquarium is acceptable. The aquarium is not sterile, millions of organisms live in it – it is a whole microcosm, so the reservoir a priori cannot smell “alpine freshness.”

    But sometimes it happens that the aquarium and really begins to emit a stench. The reasons for this are different:

    – Excess residue feed, PJA and dead organic matter;

    – Improper or insufficient filtration and aeration of water;

    – Rotting dead fish;

    Measures to combat unpleasant aquatic odor obvious

    – We check the aquarium for the presence of corpses. Count the fish, if someone is missing, carefully inspect the bottom of the aquarium, lift all the scenery, look at the intake of the filter.

    Found the poor guy remove the net.

    – Rarely, but due to improper installation and lack of oxygen zones, the soil sours (rots). This primer is carefully siphoned or completely removed, replacing it with a new one.

    – Further, some of the water is replaced. Aeration and filtration are intensified.

    Additionally, to reduce the concentration of harmful substances, you can:

    – Pour into the filter aquarium absorbent – aquarium coal;

    – Use hydrogen peroxide to saturate the water with oxygen and increase oxidation. Read more – aquarium aeration;

    – To apply Tetra biocoryn – contains highly active enzymes and bacterial concentrates that disinfect water and accelerate the decomposition of organic substances, such as residues of food, plants, and waste products of fish. The special formula, which provides an immediate and durable result, contributes to the safe decomposition of waste and prevents further sedimentation.

    Unpleasant odors are removed from the water, the water becomes clear and clean.

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