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What kind of fish to have in a tank of 20 liters

Almost every fish lover wants to provide their pets with the best possible conditions. Unfortunately, not everyone has a lot of space in the house for a large aquarium.

However, many people want to get aquarium fish, because they help to create comfort in the house and calm the nervous system. An excellent solution to this problem can be a small aquarium of 20 liters.

For those who do not have a lot of space in the apartment is not suitable a large aquarium

Small aquariums – a great solution for small spaces. But even they have their flaws. 2 main problems of small aquariums:

  1. Unstable water quality indicators. The creation of suitable conditions in a 20-liter reservoir can be a big difficulty. It is difficult, but possible. The quality of water is influenced by factors such as the correct number of inhabitants and the feeding regime.
  2. Providing the fish with the necessary oxygen. With a large number of fish in a small space, the oxygen reserves exhausted themselves very quickly, and the fish suffer from oxygen starvation. Put the usual filter for large aquariums will not work. After all, it takes up a lot of space, is too powerful, causes whirlpools and can damage plants or carry away fish. The correct solution to this problem will be to create an air-lift filter with your own hands.

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No need to hurry to settle the inhabitants in the aquarium. DFor starters, you should create a microclimate for them, using all the rules run the aquarium.

For this you need to plant several species of plants.

For a 20-liter, the following types of plants are best:

  • Marcia.
  • Shchitovnik.
  • Ekhinodorusy.
  • Leleopsis.
  • Other plants with small leaves.

To inhabit such an aquarium, you can use vertebrates, invertebrates and mollusks. Even all three classes can be combined in a vessel with the right approach.

In addition, according to tradition, it is necessary to populate small fish or one medium fish in a small aquarium.

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20 liters – this is quite a bit of space, so you should consider the nuances in the choice of fish for a small aquarium. All the following fish are perfectly combined with each other., the only exceptions are cockerels:

  • Guppy These fish are perfect for beginners “aquarium” case. Guppies are small and peaceful individuals (the male is maximum 2–5 cm, the female is 3–7 cm). They are completely unpretentious, and even a child can take care of them. This species of fish is viviparous, so the number of offspring often exceeds the desired. You need to prepare for the fact that once a week, 3-4 females will bring ten fry. At first this is amazing, but after a while it can get bored and start to annoy. Comfortable temperature for this type is from +24 to +26 degrees Celsius, but they live well at +18.
  • Petushki. Very common because of the extraordinary color and beautiful fluffy tail. In a small tank of 20 liters you can keep 1 male or 2−5 females. Oxygen saturation is not as important as cockerels can breathe normal air. But that is why you need to be careful with the temperature outside the aquarium.

Special attention should be paid to the selection of fish for a small aquarium.

  • Neons A small flock of 5 or more individuals will perfectly complement the flavor of a small artificial reservoir. Neons are completely picky in their care, perfect for beginner aquarists. Individual length – no more than 4 cm.
  • Danio rerio. Small (up to 4−5 cm) fish living in flocks. Perfectly tolerate the temperature in the vessel from +15 to +30 degrees. In the aquarium of 20 liters you can get up to 20 rybinok.
  • Koridoras. Individuals have small antennae that serve as organs of touch. Corridors do not like to swim alone. Therefore, 4−5 rybinok perfectly get along in a small space.
  • Micro disassembly. Looking at its small size (about 2 cm), we can say that they are designed for small bodies of water. The micro temperature is not important water temperature. But unfortunately, they are rarely found in aqua stores due to their low cost.
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    You can look and exotic species. For example, freshwater shrimp:

    • Cherry shrimp. A good choice for small artificial ponds. Small in size (up to 3 cm), it breeds well in captivity.
    • Japanese pond. Shrimps grow to 6 cm, have a grayish color and help to cope with unnecessary algae.
    • Crystal. Individual unusual colors and small size gets on well in small 20-liter vessels in large quantities. And the parameters of water for them are not particularly important, since this type of shrimp is not very dependent on the microclimate. One minus is the high cost.

    Exotic types of fish and shrimp can also be placed in a small aquarium.

  • Cardinal Very beautiful shrimp. But is only suitable for breeding by professionals, because its price is high. Rarely found on sale and finicky in care.
  • Yellow shrimp. This type of shrimp is small, not very whimsical in care. But intermittent feeding is not allowed. Fasting yellow shrimp leads to eating up the plants.
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    To determine how much shrimp can be kept in a 20-liter jar, you need to consider their size. For example, in 20 liters of water, 45–50 cherries will live together perfectly.

    Fish can be run in limited quantities (15−20 individuals). Shrimps do not get along with medium and large fish, as they will become food for them.

    The optimal combination: 7−10 cherries and 5−8 small rybinok.

    And to decorate the aquarium, you can add a few small snails there. They will also help to keep the walls of the vessel clean.

    For a comfortable living of all residents of the aquarium it is necessary to change 1/5 of the volume of water in it once a week.

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