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How many degrees should be 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:

Water temperature for aquarium fish


Aquarium water temperature

Water temperature for aquarium fish

One of the most important parameters of aquarium water is its temperature. Most aquarium fish feel comfortable at a temperature of 22-26 ° C. But there are fish that prefer a lower or higher temperature.

For example, discus is a heat-loving fish, a comfortable temperature for their maintenance is 28-31 ° C. But the Goldfish family, on the contrary, prefers cooler water at 18-23 ° C.

Thus, speaking of the temperature regime in an aquarium, one should take into account comfortable temperature parameters for a specific fish. It should also be noted that the temperature of aquarium water directly affects the lifespan of some species of fish. For example, neons at a temperature of 18 ° C live 4 years, at 22 ° C - 3 years, 27 ° C - 1.5 years.

Perhaps the most important rule for an aquarist is to prevent sudden changes in temperature (2-4 degrees). Such vibrations are extremely harmful.
for fish.

Today, there are virtually no problems with maintaining the temperature regime in an aquarium. Therefore, when on the Internet you come across articles about the Soviet methods of “boiling with a kettle” involuntarily you are touched. Only one thing is frustrating - after all, articles on this topic are usually looked for and viewed by novices or young aquarists who are so easily confused with unnecessary, unnecessary information.

The nuances covered in this article for an experienced aquarist will not inspire innovation, but beginners will be noticed.

So, to maintain the required temperature regime of aquarium water, you need to buy two things at the pet shop:

1. Thermostat heater.

2. Thermometer with suction cups.

Regarding the temperature control of the heater for the aquarium - it is chosen based on the volume of the aquarium (its power must be appropriate). They fix it, as a rule, on the back wall of the aquarium, near the filter with aeration, so that it is completely immersed in the input. IMPORTANT: when setting the desired temperature on the scale of the thermostat, the first time (6-12 hours) watch the level of heating of the aquarium water. This is due to the fact that often the scale of the thermostat does not always correspond to the actual temperature of water heating (especially in Chinese thermostats) or the thermostat does not quite fit the volume of the aquarium. Failure to comply with this rule may lead to the fact that in the morning your aquarium may turn "into a saucepan with a good - elite ear."

Well, the second thing to which you should pay attention - the heater for the aquarium should be completely immersed in water. Do not allow it to be in the on state in air (in whole or in part). This will lead to its rapid overheating.

Regarding thermometers for aquarium - everything is simple here! They are:

glass (ordinary) ~ $ 1.2;

in the form of a self-adhesive strip thermometers for the aquarium~ 2$

(I do not recommend. creatively — yes, it is practical — no, especially since this strip “fades” over time);

and electronic thermometers for aquarium 12$;

When buying a thermometer should pay attention to the quality of suckers. If they are weak - the thermometer will often fall to the ground. In addition, there are fish that pathologically may not like the thermometer and they will deliberately drop it (I have suffered from these gays blue).

I think that with the heating of aquarium water everything is clear: - set, adjusted and forgot.

Let's now talk about what to do if the temperature goes over the top (from overheating or "summer in August"). Nowadays, this is also not a problem - the air conditioner will not only cool the room, but also lower the temperature of the water in the aquarium.

Another question is what to do if it is not? Or if you need to urgently lower the temperature? Ice from the refrigerator will come to the rescue. At one time, I poured water into plastic 2-liter bottles (carefully removing the bottle from the label and glue beforehand) and frozen them in the refrigerator. After lowering them into the aquarium and thereby lowered the temperature of the water to the desired.

This method of lowering the temperature has two minuses: firstly, the frozen bottles and ice heat up quite quickly - they often need to be frozen, and secondly: sudden, frequent temperature drops are poorly tolerated by aquarium fish. If the temperature is "tolerable" it is better not to add ice bottles.

REMEMBER: PROVIDING A COMFORTABLE AND CONSTANT TEMPERATURE OF AQUARIUM WATER IS THE KEY TO THE HEALTH OF YOUR AQUARIUM FISH.

Video about the temperature and care of the aquarium

fanfishka.ru

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.

Water temperature for red-eared turtles. Plovers at home

Many dream to have a red-eared turtle, which is derived from the American freshwater species. However, before you do this, you must carefully review the basic requirements that must be met in order for the pet to feel well at home. The most important thing is the optimum water temperature for red-eared turtles, proper care and maintenance. Now we will tell you in detail about how to create the necessary living conditions for a new pet.

Content at home

When buying a turtle, be prepared for the fact that you will need to care for it for 30-40 years, because so much on average these pets live in captivity. The first thing you should take care of is the aquarium equipment. Its volume should not be less than 100 liters for one turtle, if there are more, then the capacity should increase in direct proportion. It is necessary to acquire individuals of different sex, but of the same age. With all this it is necessary to take into account that they need both water and land, since it is there that they like to bask in the sun. So do not forget to arrange your pets a small island of paradise. By the way, the ascent to the land should start from the very bottom of the aquarium. For proper development you will need an ordinary incandescent lamp and ultraviolet. The second is necessary so that the tortoise does not hurt and develop properly. At first glance it may seem that the eared turtle at home can give you a lot of difficulties, but this is not quite so, you will soon get used to everything.

Proper nutrition

If the ration of a fresh-eared red-eared bug is well thought out, then the pet will grow up healthy and will not get sick. Much depends on the age of the animal. If the turtle is young, it feeds mainly on animal feed, worms, bloodworms, etc., come on. But we must not forget that the older the animal, the more it favors vegetation. As for the frequency of feeding, it is first necessary to give food every day, and so for several years. After you can feed a little less, for example, 2-4 times a week. You need to buy special food, preferably dry or frozen. Purchase it in specialized stores and always pay attention to the shelf life. But it is recommended to prepare the food mixture yourself. As a basis, you need to take gelatin and add different ingredients there (cabbage, apple, fish fillet, raw egg, etc.). If the nutrition is correct, then the red-eared turtle at home will grow big and healthy.

Optimum water temperature for eared turtles

How warm or cold water in an aquarium should be monitored very carefully. This is due to many reasons. At a low temperature, the animal will stop eating, therefore, the immunity will fall, the turtle will become lethargic, and if it continues like this, it can completely die. If the temperature is too high, nothing good will come either. In this case, the animal will spend most of the time on land, as it will feel uncomfortable in the water. This is fraught with the fact that growth and activity will slow down significantly.In order to avoid all this, you need to maintain a temperature in the range of 22-28 degrees Celsius. Perhaps a slight deviation of up to 30 degrees, but no more. To do this, you must use an aquarium heater with adjustable temperature. This is one of the most important content requirements. Do not forget that only the optimum water temperature for red-eared turtles will make the animal healthy and cheerful.

A little more about the temperature and purity of water

Do not forget to ensure that no harmful organic compounds are formed in the water. They appear due to pollution. For this simple reason, it is necessary to periodically change 30-40% of the water in the aquarium. It is desirable to do this at least once a week, but it can be two. Although it is not necessary to increase this procedure, because every time the turtle suffers stress. It is safe to say that these animals are not the most ambitious, so their environment will quickly become polluted. To slow down the process a little, install a filter, for example, one that is used when keeping aquarium fish. Since the water temperature for red-eared turtles should always be constant, then when you add a certain part (30-40%), make sure that it is the same as the one in the aquarium. This is done so that the animal does not experience hypothermia or, conversely, excessive temperature.

How to choose a suitable aquaterrarium

Often, along with the turtle in the aquarium live fish, snails, etc. Therefore, the standard 100 liters will not be enough for us. To resolve this issue, you need to increase the space. It is not necessary to do this in proportion, especially if there is one bug, and the rest of the inhabitants are small fish. Although it is not recommended to keep fish and turtles together, as the latter are predators and can easily eat their neighbors. Do not forget that the thickness of the water layer should not be less than 40 centimeters. This is done to ensure that the shell is completely covered. Best suited capacity with a wide bottom. Do not forget that your little turtle can escape. To avoid this, you need to close the aquarium with glass or a special lid with light.

How to equip housing turtles?

After we have dealt with the temperature of the water and the size of the aquarium, everything must be correctly arranged there. Make it not as difficult as it may seem at first glance. First, create land. This can be done in several ways, for example, to pour a small handful of special stones. It is desirable that the sharp edges were absent, so the animal can not get hurt. Another solution is to install the glass at a 45 degree angle and glue it with a non-toxic sealant. Pour stones on the glass, and so that they do not roll down, make a special rim. You also need to decide whether there will be live plants in the aquarium. In principle, everything that the animal seems edible will be immediately consumed in the daily ration, the turtle will simply tear up everything else. In part, the issue is solved by buying ornamental plants or snags, which are securely attached to the bottom. If you do it right, then keeping red-eared turtles will not be a problem for you.

Pontoon: how to care and what to follow?

We have already reviewed most of the information that, in one way or another, concerns the care of this animal. But I would like to touch on a few more important points. First, soberly assess your capabilities. If you are not able to give at least 10-20 minutes a day to your pet, then it is possible that you do not need to start it. But if you do decide, install a thermometer on the aquarium, which will show how hot the water is. Of course, for this there is a regulator on the heater, but one should not completely rely on electronics. What else is extremely important, try to periodically compare photos of red-eared turtles, which are considered healthy, with your pet. It will tell you a lot. Sometimes the shell begins to harden and grow over. Many grab a stiff brush and begin to rub the bug to shine, which is absolutely impossible to do. This will cause damage to the surface, as a result of which the animal may lose its natural protection.

What to do when breeding turtles?

Despite the fact that at home these animals are rather rarely bred, anything can happen, and you need to be ready for this. Firstly, there should be a small layer of soil at the bottom, since the female buries her offspring there. It is necessary to slightly raise the minimum temperature threshold. Water should be heated to 25 degrees Celsius - only in such conditions masonry will mature. You can use sand as a primer or mix it with something else. After the clutch appears, hurry to move it to another place, as it is likely that the eggs will be damaged by adults. In a separate aquarium it is necessary to maintain the temperature of the soil at least 21 degrees. Please note that the red-eared turtle, especially small, requires good nutrition. So you can significantly accelerate its development.

Conclusion

So we talked about who the red-eared turtle is, how to care for a pet and what conditions need to be arranged. If everything is done correctly, the animal will not be sick. For example, the content of red-eared turtles at low water temperatures is fraught with pneumonia. It is necessary to raise the degree to 28 or even 30 ° C. If the eyelids and eyes are puffy and turn red, then the individual must be quickly transplanted into a separate aquarium. It would be preferable to be on land, in the water can be allowed only for a few hours a day. Again, if you are a newbie, periodically look at photos of red-eared turtles kept in optimal conditions and compare them with your pets. So you can determine if everything is in order. But even with proper care, the shell of an animal can become soft, as a result of which it will begin to peel off. In this case, it is recommended to give more varied food. You should also be aware that the bug should not be allowed to walk on the floor, as it can get sick from a draft.

Well, that's all that can be said about such a pet as a red-eared turtle. Care, water temperature, its purity and other factors directly affect its health, so you need to carefully approach the content of such an unusual pet.

Do guppy fry grow fast

Guppies are popular aquarian small fishes, belong to family Petsiliye. It is easy to take care of them, they are unpretentious in content, they are distinguished by peaceful behavior. It is possible to breed these small fishes in house conditions, the female is capable every month to bring new posterity. Guppies are viviparous fish, fry are born ready for a full life. But how long does it take to grow up?

Keeping fry and growing up

If the female guppy gave birth to fry in the general aquarium, they can quickly die. This is due to the fact that adult fish can eat their offspring if there are few plants in the reservoir in the form of plants or caves. Grow fry do not have time. With a favorable outcome, they will become sexually mature in at least 2 months. So that they grow up healthy and beautiful, it is recommended to spawn in a previously prepared container, where the offspring will grow in the future.

If the fry grows quickly, then it is launched into the general aquarium in 1-2 weeks, and giving it a universal feed for viviparous fish. But here we must understand that up to the age of 1 month, the daily routine and nutritional needs of small fish are different from the vital activity of adults. Another issue is fertility. If a small female guppy age 2-3 weeks becomes pregnant, being already in the general aquarium, her young body can not bear the offspring.


Guppy fish fry develop properly if kept in good water and fed with good food. The first days of life feeding should occur 3-5 times a day in small portions. How the guppy babies grow up is influenced by the light intensity and the amount of light days. The aquarium with newborn fry should be lit for a maximum of 10 hours; the light should be turned off at night.

Look at the feeding of the guppy fry by the nematode microhard.

If the offspring of guppies appear in the general aquarium, they will float near the surface of the water. Having successfully survived the period of maturation, they will master the middle and bottom layers of the reservoir. How many days will pass from how they were born, before they turn into adult fish? It depends on the diet and their care.

Dates of maturing fry

The optimum water temperature for keeping all guppies is 22-24 ° C, although the range can be wider, within 18-30 degrees. How many will have to wait until the young will turn into adult fish? At temperatures below 20-22 degrees, these small fish grow large, but often get sick and live no longer than 3 years. In water with such a temperature, the female bears offspring longer. At a temperature of 18 ° C, the intrauterine development of the eggs may stop, and the reproductive function "freezes."

At higher temperatures, fish live no more than one year, and grow small. The gestation of the female is shorter. Therefore, adjust the temperature of the water in the tank so that manufacturers feel comfortable. Permissible water environment rigidity for growth: 10-20o, acidity 7.0 pH. Guppies adapt well to saline and hard water. The average body length of an adult female is 6 cm, the males are slightly smaller.

Look at the guppy fry at the age of one week.

There is another nuance in the cultivation of these fish. When the first sexual differences appear in young animals, it is better to males to seed in another aquarium. It is necessary to keep track of males all the time, as an unnoticed male can come into contact with all females. Arbitrary crossing will bring faded offspring, the color line will not remain. For a successful breeding choose the brightest and most beautiful fish, which are constantly kept in the same aquarium. That is, pure breed guppies are bred if you prepare several aquariums for everyone in advance.

In order for puberty to come on time, the fry need to be fed with different foods. The first days of life can eat Artemia nauplii, later they can be given small cyclop, ground tablets with spirulina, finely chopped lettuce. Young fish grow to 3-5 months, and mature males are painted in bright colors, and then stop growing. The high temperature of the water accelerates the puberty of males. At 28-30 degrees two or three months will pass, and the male will stop growing, but they will be small. When the water temperature is 22 ° C, the males will mature for a long time, but in 3-5 months they will grow larger and healthier.

How many degrees should be in the aquarium?

Kostya Fedotov

Depending on the type of fish that you have, short-sighted require constantly high temperatures of 26-28, viviparous are less whimsical, 20-22 is enough for them, but for the period of gestation the fry also need 26-28. Good luck.

Irina

Depends on the types of fish. All the catfish T + 28-32 held out for a long time from the abnormal heat in the summer. And they are cold water. Danio, barbs and gourages decided to spawn for something. So look at the encyclopedia, what kind of fish do you have and what temperature do they need. and then select with the same conditions for temperature, degree of illumination well, and so on

Alexander Nikolaev

all fish are 27-30 ° C because the fish are either not imported (from Malaysia, etc.) to 30 ° C,
or local breeding, and they are also raised at 30 ° C since the metabolic processes in the body go faster and therefore the fish grows faster and this significantly reduces the production cycle time.
If you put such fish in the temperature as in the book it is written, then they can catch a cold and die.

What is the maximum water temperature for aquarium fish?

Lord

Lighting and water temperature in the aquarium
How to light 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. 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). Power of such heaters is 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 various 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 advise you to reveal the maximum temperature by experiment;

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.

What temperature should be in the aquarium?

User deleted

What should be the temperature in the aquarium?
It depends on what kind of fish swim in it. The optimum temperature for keeping the discus is 29-30. Angelfish feel good at a temperature of 26-28. Guppies, swordtails, mollies live at a temperature of 24-28. Most species of aquarium catfish and blue neons live at a temperature of 20-24. Carp and crucian carp in winter's climate conditions in Ukraine winter in ponds more than one meter deep.
But this does not mean that these fish must be maintained exclusively at the indicated temperatures. For each type of fish, besides the optimal one, there is also a maximum temperature of keeping. Строго соблюдать температурный режим необходимо для размножения икромечущих рыб. И карпы, и вуалехвосты, и сомы, и неоны без проблем живут при температуре 26 градусов. В летнюю жару вуалехвосты, неоны, анциструсы, коридорасы и платидорасы вынуждены жить при температуре 30 градусов. Точно знаю, что при температуре 34 градуса голубые неоны гибнут.
При повышенной температуре, рыбы и моллюски быстрее становятся половозрелыми, весь цикл их жизни ускоряется, и как следствие уменьшается продолжительность жизни.
It is best to know the temperature of the fish before you buy it. Look at the temperature of the habitat of all the fish you live and set the optimal one. If the temperature of the habitat does not match, then you should maintain one that is higher. For example, if antsistrus, swordtails and scalar live in your tank, you should set the temperature to 26-27 degrees. Let it be better for the catfish to be hotter than the scalar cold.
It must be remembered that the higher the temperature, the worse the oxygen dissolves in the water, so in summer, when the columns of aquarium thermometers approach 30-32 degrees Celsius, it is necessary to increase aeration.
Just do not forget that during treatment, the temperature should be increased by several degrees.

How much water to pour a red-eared bug in an aquarium

euphoria

The water level of a turtle should be not less than the width of its shell, that is, in your case at least 5-6 cm, and preferably 10 centimeters.
The turtle can not climb out for 2 reasons, or the slope is slippery and not gentle and it can not climb, or you did not hang a light bulb over the island, as the turtle usually climbs to warm up. The bulb should be 40-60 watts 15-20 cm above the island. Also, if you have a glass island, then it should be plastered with a shell rock or pebbles so that it is convenient for the tortoise to cling claws to it. It should climb at an angle to it, the slope should be slightly in the water.
Check the water temperature, it should not be below 22 degrees, preferably in the range of 24-26 degrees, then the turtle will always be active.
Here is a diagram of a properly equipped aquarium, perhaps you are somehow wrong:

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