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Why do not grow plants in the aquarium

maintenance, care, compatibility

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.

    Why do not plants grow in aquatic mode :: Hobby and entertainment :: Other

    The aquarium in the apartment allows you to get closer to the wildlife – besides, watching its serene inhabitants is considered an excellent relaxation therapy for the nerves. Often, people acquire beautiful aquariums with exotic fish and suddenly find that the plants simply refuse to grow in them.

    Why is this happening and how to correct the situation?

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    If the plants in the aquarium do not grow, first of all it must be properly illuminated. To do this, turn on luminescent lamps and incandescent lamps so that the lighting can be varied. The length of daylight for plants should be no more than 12 hours, and the intensity of illumination should go on increasing – from smaller light to more.

    Also, plants from time to time should be vacuumed with a hose with a funnel at the end. It will save the leaves of plants from the precipitation of the soil, which slows their growth – clean soil at the same time will settle down.
    The more fish there are in an aquarium, the more often it is desirable to resort to the procedure of cleaning plants from sludge and food residues.
    In addition, the growth of plants in an aquarium depends on the composition of the water, in which there must be a certain amount of substances dissolved in it. So, if the minimum amount of salt is present in aquarium water, the plants will grow better. At the same time, the water should not be too soft – rather, moderately hard.

    Also, plants may not grow due to metal salts present in the aquarium water. They are responsible for the normal functioning of the aquarium flora, so their concentration should not be exceeded.

    The aquarium should be intensely illuminated (40 watts of luminescent light at 0.3-0.4 square meters of water surface). When installing incandescent bulbs, power should double. The water in the aquarium should be changed several times a week.

    If the plants refuse to grow in the aquarium or their condition is unsatisfactory, you need to run a small amount of fish in it that cares for the plants – labo, mollies, gyrinoheyls, guppies or petsylii.
    Planting an aquarium is preferably thick, using a diverse species composition of plants.
    The main types of fish living in an aquarium should not be large in size. In addition, they should not be phytophagous or digging the ground, as this adversely affects the growth and condition of the plants. Feed them should be very moderate, so as not to pollute the water.

    Before launching fish into an aquarium, plants need to be given several weeks to adapt, and, at the slightest signs of deviation from normal development, soften the water, intensifying this process. Remember that plants have rather inert reactions, so you need to watch them closely.

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