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How many degrees should be the water in the aquarium

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Aquarium water temperature

All life on our planet can exist only in the optimal temperature range. This fully applies to ornamental fish. What temperature should be maintained in the water house? How to create comfortable conditions for different types of fish? On these and other issues you need to think before starting the breeding of aquarium living creatures.

Temperature and health of fish

The development, livelihoods and health of the inhabitants of the water element is directly dependent on the state of the water. And ornamental fish is no exception. The fact is that the chemical and biological processes of their body are closely related to the temperature regime.

For example, heating water just 8-10 degrees above normal causes the fish to increase oxygen consumption. And in an excessively warm aqueous medium, the solubility of oxygen molecules decreases.

This factor in some cases can even lead to the death of the inhabitants of the aquarium. In such situations, they say that the fish suffocated.

Undesirable and sudden changes in temperature, which are possible if the house for aquatic animals is installed incorrectly: at the window on the sunny side, for example.

Optimum temperature

Most often, people keep fish in their home aquariums, whose homeland is tropical latitudes. The water temperature in this climate is practically unchanged and is 20-26 degrees above zero. Approximately the same amount should be maintained in the aquarium for the owners of decorative domestic fish. True, for different species there may be some variations of the regime.

Goldfish, for example, like cool water, not lower than +18 and not higher than +23 degrees. Even a slight increase in temperature can lead to the development of diseases in these cold-blooded beauties.

Holders of such rare species as labyrinth fishes or beautiful discus, know that they need to maintain a higher temperature of water - about 30 degrees Celsius. This is one of the reasons why these fish are not recommended for breeding novice aquarists.

All other types of decorative floating creatures are quite satisfied with water with a constant temperature of +22 to +25 degrees. By the way, the same mode is considered optimal for aquatic flora, as well as for crayfish and shrimp.

So, the normal climate for life must be constantly maintained. This is achieved using special aquarium equipment.


Water heater for aquarium

If the aquarium is deep enough, then the water in its lower part is somewhat colder than the surface. It is believed that the temperature difference should not be more than 2 degrees, and ideally the aqueous medium should be homogeneous.

That is why, when heating water, the so-called rod heater is most often used. This simple device constructively is a hollow glass (or ceramic) core, inside which is placed a heating element - nichrome wire.

With the help of suction cups, the aquarium heater is mounted vertically to the tank wall. Most models have an automatic heating control function.

Such devices on the market are very widely represented. Here you can select the heater aquarium company Polish Aquael or Chinese product brand XILong. Products of these manufacturers are available with or without thermostat (budget option).

Aquarium Cooler

Often it is required to provide cooling water in the aquarium. Such a need may arise at high air temperatures in the room. For these purposes, special devices have been created - aquarium coolers. They are of two main types: air and water.

Air cooler at its core is a compact fan with a thermal sensor. It is attached to the top of the rear window and chases the cool air above the surface of the aqua, increasing the rate of evaporation of warm water.

After cooling the water, the fan stops at the command of the thermal sensor. Low energy consumption, low noise level during operation contribute to the widespread use of such coolers in small and shallow aquariums.

As an example: high reliability and low power consumption distinguish portable cooling fans series JBL Cooler German production. They are all equipped with a thermostat to adjust the running time.

For large home or office aquaria use, as a rule, external coolers. They are also called aquarium refrigerators. By design, they really are compact refrigeration units, very effectively cooling the aquarium water that is driven through its system.

Devices mounted near the tank, equipped with two tubes, which are lowered into the tank. One tube serves to collect warm water, and the second - to release the cooled.

On the aquarium market, such devices are represented by the products of the Italian company Teco, the Chinese series of aqua-coolers HAILEA and Resun.

Forced adjustment of the aquarium water temperature is a must. The choice of suitable heaters and coolers depends on the size of the aquarium, the air temperature in the room and, of course, on the aquarist’s budget.

Video on how to organize the cooling of the aquarium with your own hands:

What is the optimum water temperature in an aquarium?

For all aquarium fish, the water temperature in the aquarium is important, so you need to monitor it periodically. For most of the inhabitants of the aquarium, a temperature range of between 22 and 26 degrees is suitable. Discus and labyrinth fish need a temperature of 28-30 degrees, and goldfish - from 18 to 23. Of course, they can live at elevated temperatures, but over time not to avoid disease: most often in animals dysfunction of the swim bladder occurs.

Ensure that there are no sudden changes in temperature (more than 4 degrees) in the aquarium. A smooth change is acceptable, but by no means drastic. However, jumps occur quite often, and especially for small aquariums, the capacity of which is less than 60 liters. This is due to the fact that a small amount of water heats up quickly, but cools down for a short time. So, for example, a window leaf that is open for a few minutes can cool the water very much, and aquarium fish will get chilodonellosis or a bacterial infection. If there is no thermometer in the aquarium, the owner will not be able to find out about such jumps in temperature, and the symptoms of the disease may appear very late.

In order to maintain the optimum water temperature in the aquarium all the time, a thermometer and a heating pad are needed. A thermometer should be in every aquarist. It should be located in the aquarium so that you can clearly see the temperature. This is important because the faster a person sees the changes and takes the necessary actions, the less the inhabitants of the aquarium will suffer. Recently, the choice of thermometers is huge, so everyone can choose a convenient one for themselves.

To maintain a constant temperature in the aquarium, you need a heating pad that heats the water to the desired temperature and then automatically turns off. If it has a high level of power, then residents of the aquarium are not afraid of drafts, temperature changes, or airing.

If you do not have the opportunity to constantly wonder what the temperature of the water in the aquarium, then you need a heating pad. The main thing is to choose a quality one, because otherwise it may not always respond to temperature drops, not turn on, or, on the contrary, warm water, not turn off, and your fish can boil. To avoid this, the heating pad must be changed periodically.

If you really care about your fish, then purchase only proven products for them; Do not rush to choose, consult with experienced aquarists, read reviews about the product and only then make a purchase.

Aquarium water temperature

For all living creatures, including fish, the most important condition for existence is the ambient temperature. It affects not only the environment, but also the chemical and biological processes that take place in animals and plants.

As for aquariums, there should be about the same temperature in all layers, otherwise both plants and fish can suffer. Since the top layer of water is always higher than the bottom, therefore, the temperature should be measured not only on the surface of the water, but also on the ground. The regulator of the temperature of the water in the aquarium can be purchased at the store, and you can make it yourself, but you cannot do without it when breeding fish. Because some temperature changes for many fish species can be deadly.

The optimal temperature in the aquarium

There are no specific numbers to suit each aquarium, as the temperature depends on factors such as its inhabitants, plants, and the chosen maintenance mode. The temperature range for most fish is from 20 to 30 ° C, however, for each individual species of fish should maintain an optimal temperature.

So the best constant temperature range in an aquarium for guppies varies between 24-26 ° C, but some deviations are allowed - 23-28 ° C. At the same time, if the temperature drops below 14 ° C or rises above 33 ° C, then the fish will not survive.

For catfish, the temperature in the aquarium is optimal in the range from 18 to 28 ° C. However, catfish - unpretentious fish, so easily withstand significant deviations from these limits, but for a short time.

The temperature in the aquarium for scalar basically has a large range. The optimum is 22-26 ° С, but they will easily transfer the temperature drop to 18 ° С, but it is necessary to lower gradually, without sharp drops.

The optimum temperature in the aquarium for swordtails is 24-26 ° C, but since these fish are not demanding enough, they will calmly endure a temporary decrease to 16 ° C.

The recommended temperature in the aquarium for cichlids should be in the range of 25-27 ° C. Sometimes it can be increased by 1-2 degrees, but no more, since for most fish of this species the temperature of 29 ° C is fatal. At the same time, a significant decrease in temperature even up to 14 ° С can be transferred by fish quite calmly (of course, not very long).

How to maintain the temperature in the aquarium?

The water temperature in the aquarium should be constant. Its fluctuations during the day are allowed within 2-4 ° С. Sharper drops can have a devastating effect on the inhabitants of the aquarium.

Everyone knows that the temperature of the water in the aquarium corresponds to the temperature in the room. Therefore, when for some reason it becomes excessively hot or cold in the room, certain measures should be taken.

In the hot season you will need knowledge of how to lower the temperature in the aquarium. There are several ways to do this:

  • use of a special refrigerator for the aquarium;
  • installation of air conditioning in the room, which will maintain a certain temperature;
  • use of ice or cold accumulators.

In the case when it is too cold in your apartment during the cold season, you should know how to raise the temperature in the aquarium. The simplest version of the heater is a hot water heater. It must be placed between the heater and the side wall of the aquarium. But this is an emergency way of heating water, as it will not work for a long time to maintain the temperature of the water.

Each of the ways to increase or decrease the temperature of the water is good in its own way, and you should choose a particular one based on your specific needs.

What is the temperature of the water like scalar?

Scalaria (lat. Pterophyllun scalare) is one of the most popular aquarium fish of the Cichlid family. Many species of this fish were removed from South American reservoirs, while others were bred by breeding one or more forms. The common angelfish is perhaps an example of a classic aquarium fish - a disc-shaped body shape, tall and slightly short, with lush sail-like fins. At first glance, it is not so easy to keep such a pet in an aquarium, but this opinion is wrong. They have a peaceful nature, non-aggressive. They can settle different types of fish of the same calm and medium in size: discus, festivals, crayfish, gourami.


It so happens that novice aquarists acquire a scalar without learning the main rules for caring for them. Run into a new aquarium, where the biological balance of the environment has not stabilized. Improper temperature, high acidity, hard water will quickly ruin the health of the angelfish. The presence of nitrates, nitrites, ammonia, and non-evaporated chlorine in water also negatively affects the quality of life of pets. With the fluctuations of such substances the scalars can not cope. This also applies to the parameters of the water in the spawning aquarium, where you have to follow the rules of keeping producers and their brood.

Watch the video story about the content of the scalar.

Therefore, it is important for scalar to maintain a temperature regime. As endemics of tropical freshwater, they are accustomed to warm water. Lowering the temperature of the aquatic environment leads to lethargy, disease, and, as a consequence, death. Hypothermia or too high a temperature is also harmful, as well as a sudden change of water to a new one. To maintain a full life of a pet, it is necessary to regulate the temperature of the water in the aquarium constantly.

Allowable temperature threshold for fish

Angelfish came to us from the warm-water rivers of South America, where heat reigns, so a heating system should be installed in the aquarium. The permissible minimum water temperature is 24 degrees Celsius, the maximum is 30 degrees. Overheating is undesirable, heat accelerates metabolic processes in the body, it quickly wears out and grows old. However, some types of scalar need temperatures above 27 degrees (black scalar), and 30 degrees when spawning. Increased to spawning speed up the process of ripening eggs.


The optimum temperature in the aquarium will provide sufficient space. The tighter the tank, the faster it heats up the water. The more fish live in it, the less free space to find a cooler corner. The flow of water should be average, many plants will provide them comfort.

The tank should be in a quiet, lighted place, so that no loud sounds or sudden movements in the room would come to it. Stress leads to a loss of bright color. Place with direct sunlight is not suitable. Lighting LB lamps provide the desired light and temperature.


Sudden fluctuations in water temperature should not occur. Short-term lowering of the fish will survive, but such a risk can lead to hypothermia. When replacing water, it is necessary to ensure that the level to be maintained so that the new water matches the old one.

Conclusions: in the general aquarium, the optimal temperature threshold for scalars is 24-30 degrees Celsius. Water should not get very hot and cool. Make every effort to prevent sudden changes in all parameters of the environment.

See how to quickly calibrate aquarium thermometer.

Temperature in the spawning aquarium for scalar

Angelfish begin to multiply with a gradual increase in water temperature in spawning. Temperature from 27 to 28 degrees - optimal for breeding almost all types of scalar. With her, the eggs will ripen faster, and the fry in such water will develop comfortably. Within a few weeks, the male and female will get used to the new parameters that will encourage spawning. After 2 weeks they will produce eggs on the surface of a stone or a plant. A few more days, the roe will ripen, then the fry will hatch. Unfortunately, at low temperature, the roe slowly ripens, or the larvae of the fry never appear. To avoid this, make measurements to water with a special thermometer. Having raised the temperature a little, some fry of an angelfish will be born.

How much and how to defend the water for the aquarium?

Why defend the water in the aquarium for fish, and how much benefit will this procedure bring? Such questions are often asked by novice home-water lovers and more experienced razvodchiki. In fact, settling is a necessary measure to prepare the aquarium for launch, because no matter how much you clean the scenery and glass of the tank, water is its main component, a living environment where both visible and microscopic creatures will live and develop. objects. Therefore, the process of settling involves the study of the rules for the preparation of different types of water.

How to prepare an aquarium with tap water

The easiest and cheapest way to stock up on water is to use tap water in the tank. It is available to almost everyone, suitable for any freshwater aquarium. For fish, it is not harmful if it is properly defended. If a quality water purifier from the tap is not installed in your home, you should not immediately pour the liquid that you have collected into the tank. Compounds of chlorine that are in the water need to be weathered for several days. Why do this? To protect the fish and plants from poisoning and premature death.

You can dial the water in glass jars directly from the tap, and leave it for 3-4 days, covered with gauze. All volatile compounds will evaporate and the liquid will become colorless and free from chemical compounds. It is necessary to check the collected water for smell and color. Chlorinated water smells sharp, has a milky white color.

See how to carefully pour the distilled water into the aquarium.

About water from other aquariums

Water from their other aquarium can be useful - it has a long-established microflora and biological balance. For fish it is a reliable source of trace elements that are beneficial in terms of recovery. However, without knowing the history of another aquarium, it would be correct to find out what freshwater fish lived in it, what it was sick with, and what quality its water was. You can ask this question from the owners of the reservoir, or conduct observations on their own. For the experiment you need only a few days, some free time, and, of course, old water.


Pour the liquid into a clean glass tank, let it stand in it for several days. Noticing cloudiness, precipitation - you know, it is not entirely safe. It is possible to pour a part of such water into an unprepared aquarium with plants. If their appearance has deteriorated - a sure sign that the fish should not live in a pond with such water. But the best way is to start a tank with new water on your own, or to seek help from trusted distributors.

Reverse osmosis and deionization

Settling of water with its subsequent preparation for the aquarium is possible using the method of reverse osmosis and deionization. These are two ways in which you can cleanse and defend a liquid. Each of these processes helps to remove impurities and any particles that may be in the water. Ionization neutralizes pH, eliminating various ions that could remain in the water. However, the resulting water is clean, but potentially dangerous - it does not preserve its biological properties, which is dangerous for fish. No matter how much she praised her crystal purity, she bears the risk because she changed the pH level, alkalinity and hardness.

Deionized water removes beneficial salts and trace elements that are needed for fish and plants. Such water is obtained as a result of deep purification by reverse osmosis, or ion exchange. In the process of pressure, water is passed through a semi-permeable shell from a more concentrated to a less concentrated solution. The shell skips the solution, but does not miss the components dissolved in it.

Sometimes this water is mixed with infused tap water, but you need to be careful.

Watch a video about the reverse osmosis system.

About softened water

Softened water is sometimes useful for fish that need to live in water with certain parameters. Softened water can be obtained for some time, if you defend it 4-5 days, and adding to it the impurities that change the parameters (peat, wood). Softeners need to buy in stores, do not need to mine them yourself. Settling water with the right ingredients will be beneficial for some fish.

What to do with bottled water?

How long should you defend bottled water for an aquarium? She does not require insisting. Bottled liquid, although it is credible, is not useful for fish, because its pH level does not match the standard, and it is free from many trace elements that can “revive” the reservoir. How much such water do not use - even in conjunction with an infused tap it is not very effective. Often, the parameters of such water are completely unknown. Often, vitamins, flavors, preservatives, and even colorants are added to it to maintain a crystal clear appearance. All this is destructive to the health of the fish.

Reservoir with defended rainwater

Rainwater is also used in a fish tank. Previously, such water was used in food, but nowadays it is not particularly useful (except for that which falls in ecologically clean regions). It contains impurities of toxic substances and parasites, therefore upholding and powerful filtration are necessary. Rainwater may contain substances that are not washed out of the air. Pollution from pipes, gutters, pipelines, roofs and other surfaces from which it has flowed into it.

For aquarium needs, rainwater is not always suitable - improper treatment of the fluid hurts the fish. How much time will it take to settle the rain? After drawing water into a clean glass container, install a powerful filter in it, after treating the liquid for several hours. After cleaning, leave the water for a few days in a cool place. However, the risk from such water is high - its application is possible only after laboratory research.

I have an aquarium how many degrees usually it should be water?

Pirawth

Most aquarium fish will suit 22-26 ° C. Perhaps only discus and some labyrinth fish prefer water warmer: 28-31 ° C. Goldfish need water more cool. When the aquarium content of the temperature range of 18-23 ° C, they are quite satisfied. For quite a long time (a year or more) they can live at 25-27 ° C, but eventually they get sick - as a rule, they develop dysfunction of the swim bladder.
It is important to avoid significant (more than 2-4 degrees) temperature fluctuations. Its smooth changes are quite permissible, but sharp jumps during a day, or even several hours, are extremely undesirable. Meanwhile, this happens not so rarely, especially with small aquariums with a capacity of less than 60-50 liters. Relatively small volumes of water cool quickly and heat up quickly. For a long time, the open window in the cold season can easily draw a room. If there is no heater in the aquarium, then in a few hours of such aeration, the water in it will noticeably cool down. It turns out the fish, too, can catch a cold. And then "pick up" a bacterial infection or chylodonellosis. If there is no thermometer in the aquarium, such temperature fluctuations may go unnoticed by the owner of the aquarium. It should be noted that a small aquarium is immeasurably smaller than even a small natural reservoir, where water temperature changes proceed much more slowly (large masses of water slower and cool down and heat up more slowly). That is why fish are completely unsuited for sudden temperature jumps and these jumps can cause them great stress.
Sometimes it is necessary to carefully monitor not only the temperature of the water, but also the temperature of the air above the water. This is especially important when keeping maze fish that regularly capture air from the surface. Sufficiently heat-loving Siamese fighting fish (cockerels) and lyalius can get sick or even die “breathing” the air, which is 5 degrees and colder than the water where these fish live. When the content of labyrinth fish some caution when airing the room is especially necessary.
Overheating can also be very dangerous. Worst of all, it is carried by well-fed fish. Warm water contains much less oxygen, and well-fed fish especially need it. Overheating can occur from solar heating (if the aquarium is so located that direct sunlight falls on it), from the heat of the radiators (if the aquarium is located close to them, it is 50 cm or less), from lamps that illuminate the aquarium, especially powerful, and the aquarium is covered with a deaf lid. Not without reason, plant lovers, illuminating their aquariums with powerful lamps, make additional ventilation holes in the aquarium covers and fit computer coolers for them. Using the cooler, you can reduce the temperature of the surface layers of water by 1-3 degrees.
From the foregoing we can draw the following conclusions:
A thermometer is an absolutely necessary measuring instrument for an aquarist. It should be placed in the aquarium so that it is noticeable even with a glance casually thrown at the indoor pond. The aquarist should know about the failure of the temperature regime in the aquarium as soon as possible and take action immediately. Thermometers in the glass case alcohol and especially mercury are quite accurate. But they are immersed directly in the water of the aquarium and either are attached to its wall with the help of a sucker (which does not always look beautiful), or they set sail for free swimming. The latter option leads to significant inconvenience. A thermometer, if it does not float somewhere in an unknown direction, it will certainly turn in such a way that the scale will not be visible. Liquid crystal thermometers are much more convenient. They look like a small strip attached to the glass of the aquarium from the outside. They measure temperature less accurately, but for amateur purposes, they are excellent and their readings are always in sight.

What is the maximum water temperature for aquarium fish?

Lord

Lighting and water temperature in the aquarium
How to light the aquarium? When addressing this issue, the following points should be taken into account: the natural light illumination of the aquarium, the power of the lamp, the depth of the aquarium, the need for specific types of fish and plants for a particular light intensity (spectral composition is important for plants), the duration of illumination.
For example, if an aquarium is located near a window, the need for its inhabitants in artificial light is less (especially in summer). Fish, with the exception of the inhabitants of shaded reservoirs and those that are active at dusk, are not so whimsical to the lighting of the aquarium, as the plants. The life of the latter strongly depends on the quality and quantity of light. In most cases, the aquarium should be lit 12 - 14 hours a day.
What fluorescent lamps can be used to light the aquarium? Aquarists use the following types of lamps: LB, LD, LTB, LHB, LBU, LDC, and some others. Usually use lamps with a capacity of 20 to 40 watts. It must be remembered that the light output of fluorescent lamps is 2.5 - 3 times higher than incandescent lamps.
Approximate standards of lighting power: 0.4 - 0.5 watts per 1 liter of aquarium volume - for fluorescent lamps, 1.2 - 1.5 watts per 1 liter - for incandescent lamps. For fish and plants that cannot tolerate bright light, these rates are reduced. It should be remembered that the deeper the aquarium, the greater must be the power of the lamps.
What kind of lamp is better to use for lighting aquarium plants? When breeding aquarium plants, the best results are obtained with a combination of lighting: incandescent lamps plus fluorescent lamps such as LD, LDC (during flowering and fruiting, plants need blue rays, which give the lamp with this marking). The power of incandescent lamps for lighting aquarium with plants - 25, 40, 60 watts.
If you are mostly interested in fish, then in the presence of widespread and unpretentious plants, you can use any fluorescent lamps, preferably warm daylight, in the marking of which there is a letter B (LB, LTB, etc.), as well as incandescent lamps, better than krypton ones. The latter differ from ordinary lamps in that their flask is filled with krypton and they burn brighter, giving more orange rays.
In my room, the temperature does not rise above 18 - 20'C. Will fish live at this temperature? The temperature of the water in the non-heated aquarium is equal to or lower than in the room. For warm-water fish, this is not enough. Most aquarium fish and plants live at a temperature of 24 - 26 'and therefore need heating.
The most primitive heater is an incandescent lamp placed outside the side wall of the aquarium below the surface of the water and covered with a metal reflector. The lamp should not be more powerful than 40 watts from the strong and uneven heating of the glass can crack. This heater is not very convenient, since a lot of heat is wasted. In addition, at night it has to be turned off. Plants stretch in the direction of the lamp and bend, and the side glass quickly overgrown with algae.
The most commonly used heaters from nichrome wire, wound on a glass tube, which is placed in a tube with sand (they are produced by our industry). The power of such heaters from 5 to 100 watts. They should be used in full accordance with the instructions. Especially it is necessary to ensure that the upper end of the heater protrudes from the water - getting it into the tube results in damage to the device.
To maintain the temperature of the water in a 25-liter aquarium is not higher than in the room, 0.2 l is required for every liter of water, 0.13 in a 50-liter tank and 0.1-watt in a 100-liter tank. To keep the temperature constant, use a heater with a thermostat. The industry produces a variety of temperature controllers. One of the most common PTA-W.

Natasha

maximum! maximum when I turned on the heater and cooked the soup of my fish !! Until now, from myself in shock T was about 35-40. The minors are dead ((
therefore, 32 is the maximum but the fish remained alive))

Kostyan Zhitnik

Zhenya, depending on what kind of fish ... In general, in summer, at room, almost all fish live normally ... And in winter, it is better to put a heater ... But I do not recommend to reveal the maximum temperature by experience, it’s a pity to fish)))

Unknown

When treating most aquarium fish (except gold), some aquarists raise the temperature to 34 degrees. But for the content, of course, need a lower temperature. The discus discusses separately - they need a temperature of about 30 degrees ... and gold ones - they need colder water than others.

The optimal water temperature for goldfish in an aquarium

مخلوق غريب

They contain goldfish in a wide, low and spacious aquarium with gravel or pebble soil. Acidity does not matter much (in general, goldfish are not capricious), and cruelty is not lower than 8 °. If the fish are sluggish, immobile, you can add salt at the rate of 5-7 g / l. The oxygen content should be high; air blowing and frequent water changes are recommended. Long-bodied fish need more water than short-bodied. Goldfish are quite peaceful, they can be kept together with other species, but voile tails are better separately, since other fish can damage their outfit. In fish tanks with bulging eyes, growths, there should not be stones and objects with sharp edges that can injure them. Water temperature from 15 to 24 ° C. In summer, you can gradually increase the temperature (up to 30 °).

Strunina Katya

The fish is suitable for keeping in a cold-water aquarium with a large space for free swimming. Beautiful in the greenhouses. Due to the endurance of the breed, it can be kept in a decorative pond outside. Prefers a community of their own kind, bright light and an abundance of free space.
Temperature and oxygen regime
Goldfish are considered to be cold-water, as they easily tolerate a decrease in temperature, but they are most playful at a temperature of 22-24 degrees. Sharp temperature fluctuations are unacceptable! For ordinary goldfish, the water temperature in the aquarium can vary from 8 to 30 degrees, the optimum is 15–20 degrees, ornamental rocks are much heat-loving; The chemical composition of the water is not important. Goldfish (long-bodied, contained in pools and ponds) tolerate a decrease in temperature to 0 degrees Celsius and can winter under ice. It should be borne in mind that with a prolonged decrease in temperature, the fish may become more susceptible to various diseases, and warming of the water leads to a decrease in the content of oxygen dissolved in it, from which cold-water fish suffer greatly, start to eat little and become depleted. In hot weather, daily water changes prevent overheating of the aquarium.
For goldfish, aeration of water is obligatory, in which water is enriched with oxygen both from the surface of air bubbles formed by the nebulizer and from the surface of water. As a result of the circulation of water caused by the flow of bubbles, the oxygen-rich upper layers are mixed with depleted lower layers. In addition, the circulation is also useful in that it mixes relatively warm upper layers with cooler bottom layers, thus creating uniform temperature conditions inside the aquarium. If your fish are constantly at the surface of the water and swallow air, then this is the first sign of oxygen deficiency. It is necessary, or to change the water / part of the water, or to strengthen the aeration, or to plant fish.
The presence of a filter in aquariums with goldfish is also a necessary condition, as mobile and voracious fish, taking food from the ground and constantly rummaging in it, pollute the water. The power of the aeration compressor and / or filter (measured by the amount of distilled water in liters over a certain period of time) is selected depending on the size (volume) of the aquarium. The average is the power at which an compressor can pump over the entire volume of water in an aquarium in an hour. After several months of running an aquarium, you will be able to accurately determine the power you need in your case. If one type of filter is insufficient, you can use a combination of filters, a large selection of which is presented on the market of equipment for aquariums.
Goldfish are not very demanding on the chemical composition and hardness of the water, but before you fill the new aquarium with tap water, open a good tap and let the water flow for 5-10 minutes. This is done in order to reduce the content of heavy metals in it during stagnation in the pipes. It is necessary to fill the aquarium after planting, and so that the laid soil does not stir up. Желательно использовать шланг с изогнутым к верху наконечником или обыкновенную широкую тарелку, положенную на дно. Наполнять аквариум нужно не до самых краев, а оставляя сверху около 5-ти см.

У меня аевариум и есть в нем градусник сколько обычно градусов должна быть вода ?

PiraWTH

Большинство аквариумных рыб устроит 22-26°С. Пожалуй только дискусы и некоторые лабиринтовые рыбы предпочитают воду потеплее: 28-31°С. А золотым рыбкам нужна вода попрохладнее. При аквариумном содержании интервал температур 18-23°С их вполне устроит. For quite a long time (a year or more) they can live at 25-27 ° C, but eventually they get sick - as a rule, they develop dysfunction of the swim bladder.
It is important to avoid significant (more than 2-4 degrees) temperature fluctuations. Its smooth changes are quite permissible, but sharp jumps during a day, or even several hours, are extremely undesirable. Meanwhile, this happens not so rarely, especially with small aquariums with a capacity of less than 60-50 liters. Relatively small volumes of water cool quickly and heat up quickly. For a long time, the open window in the cold season can easily draw a room. If there is no heater in the aquarium, then in a few hours of such aeration, the water in it will noticeably cool down. It turns out the fish, too, can catch a cold. And then "pick up" a bacterial infection or chylodonellosis. If there is no thermometer in the aquarium, such temperature fluctuations may go unnoticed by the owner of the aquarium. It should be noted that a small aquarium is immeasurably smaller than even a small natural reservoir, where water temperature changes proceed much more slowly (large masses of water slower and cool down and heat up more slowly). That is why fish are completely unsuited for sudden temperature jumps and these jumps can cause them great stress.
What to do if the water in the aquarium suddenly cooled down sharply? First establish the cause. If the heating pad is out of order, replace it. This is an obvious tip. But! As a rule, the second heating pad is not at hand, and the situation must be corrected urgently. As a "fire" event, you can begin to slowly add boiled warm water (not boiling water) to the aquarium, so as to raise the temperature of the water by 2 degrees for 15-20 minutes. At the same time it is not necessary to add warm water to more than 10% of the volume of the aquarium. Then you can let a plastic bottle with warm water float to the aquarium and go for a new hot-water bottle. But if it is clear that in the near future it will not be possible to get a new heating pad, then experiment with incandescent lamps. Pushed close enough to the glass of the aquarium (but not abut it, or else the glass may burst!), The lamps noticeably heat the water. Low-power incandescent bulbs for 15-25 W can be carefully lowered almost all the way down to the base in the water, securely fasten them in this position, and then turn them on. The water will start to warm up. Be extremely careful! Do not touch the water when the lamp is turned on in this way. If you have an old aquarium with a metal frame, then the frame itself. Remember that this is a purely temporary measure necessary to save the life of the fish. At the earliest opportunity, install a new aquarium heater!
And what to do if the water has cooled so that the fish are just lying on the bottom and do not move and only barely breathe? Here, of course, it is necessary to carry out the measures described above, but first it makes sense to pour a little brandy or vodka into the aquarium (at the rate of 20-30 ml per 100 l), then the probability of saving the fish will be much higher. The truth will soon have to replace at least one third of the volume of water, or start filtering water through activated carbon, otherwise the water may become cloudy, and white mucus may appear on the glasses and the ground. However, it will not harm the inhabitants of the aquarium, and you will save their life.
After the water temperature in the aquarium will be normalized, it is not bad to carry out preventive treatment of fish with branded preparations of a broad spectrum of activity, especially if you use live food. The fact is that for some time after exposure to low temperature the immunity of fish will be weakened. In addition to a variety of bacterial infections, the occurrence of chylodonellosis, trichodinosis and ichthyophthiriosis is very likely.
Overheating fish is also very dangerous. Excess of 36 ° C is fatal.

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