Why is the water temperature in a fish tank at home lower than room temperature

Due to the evaporation (or sublimation) of water and heat absorption, the water temperature in the fish tank in the home is low.

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There is a constant evaporation of liquid water from the surface of the water into a gaseous state, and evaporation is an endothermic reaction, so the water temperature is lower than room temperature.

If the water is completely sealed, the temperature of the water will be the same as the room temperature after the heat transfer.

Temperature is a physical quantity that indicates the degree of heat and cold of an object, and microscopically speaking, it is the intensity of the thermal motion of the molecules of an object. Temperature can only be measured indirectly by certain characteristics of an object as a function of temperature, and the scale used to measure the temperature value of an object is called a temperature scale. It specifies the starting point (zero point) of the temperature reading and the basic unit for measuring the temperature.

The SI unit is the thermodynamic temperature scale (k). At present, other temperature scales that are more used in the world are Fahrenheit (°F), Celsius (°C) and international practical temperature scales. From the point of view of molecular motion theory, temperature is a sign of the average kinetic energy of the molecular motion of an object.

Temperature is the collective manifestation of the thermal motion of a large number of molecules and is statistically significant. For individual molecules, temperature is meaningless. The degree of heat and coldness measured on one of several arbitrary scales based on an observable phenomenon (e.g., the expansion of a column of mercury).

Because the specific heat capacity of the house is less than that of water.

You're talking about putting in the summer, because the specific heat capacity is different, and the house and water absorb the same amount of solar energy will raise the temperature differently. The specific heat capacity of water is larger, and it rises by one degree more than the house absorbs heat, and conversely, absorbs the same heat, and the temperature of the water rises smaller.

Winter is the other way around.

I don't know if you have learned the concept of specific heat capacity, or remember the concept of specific heat capacity, I hope you can understand.

The humidity in the room is relatively low, so the water in the fish tank will evaporate, thus taking away the heat from the fish tank.

It's about the same as the indoor temperature, but it can be about two degrees lower.

Thermodynamically speaking, the water temperature of the fish tank should be equal to the room temperature.

In reality, the temperature of the fish tank will be affected by the heating rod, chiller, etc., and there is a big difference between the temperature and the room temperature.

From a thermodynamic point of view, after a period of equilibrium, the water temperature of the fish tank should be equal to the room temperature, which is determined by the zero law of thermodynamics. However, in reality, the specific heat capacity of water is very large, and the heating and cooling are very slow. During the season, when the temperature varies greatly, the water temperature will be a few degrees lower than room temperature during the day and a few degrees higher than room temperature at night.

It is recommended to keep the temperature of the fish tank at about 26 degrees. If the temperature rises to about 27 to 28 degrees, it is relatively normal and there is no need to be in a hurry. However, it is worth noting that if summer is approaching, you must take shade and sun protection measures for the fish to avoid heat stroke.

Extended Information: Precautions for Fish Farming in Fish Tanks.

1.The flow rate of the filter should be matched to the size of the fish tank, so as to avoid exhausting the fish to death. Provide a suitable breeding environment for fish, and pay attention to the pH of water quality. The principle of eating small meals and eating more often applies to fish farming, and it is best not to overfeed them at once.

2.Fish farming first raise water, pay attention to remove the chlorine in the water first, pump to be appropriate, too little will be hypoxic, too much may cause bubble disease. High concentrations of ammonia and nitrite are common causes of illness or death in fish, while nitrate may be the cause of stunted growth and algae overgrowth.

3.Fish farming should not be changed for too long, but be careful not to change all the water when changing the water. The frequency of water changes depends on the species and the amount of food to be fed.

It's not a good thing to replace all the filter media or clean it too clean. Note that too high a temperature not only wastes electricity but also speeds up the metabolism of the fish, so use the heating rod wisely.

4.Place the heater, preferably horizontally in a lower position, to avoid burning out of the water when changing the water. If you can't buy what you like, you can buy fish if you don't have the pH value to get sick, or if you eat the weak or kill each other.

There is also a certain relationship between the size of the fish tank and the difficulty of feeding, and the smaller the fish tank, the higher the difficulty.

If you don't do any treatment, about 36 or so, due to other factors such as construction, electrical equipment and stoves have a great impact on the water temperature, so this temperature may also vary greatly, so measure it. Accompaniment.

Cold-water fish. The water temperature should be stabilized between 12 and 18, and higher than 20 or lower than 0 will affect normal growth. For wide-temperature fish, the water temperature needs to be stabilized between 20 and 27, and a heating rod needs to be placed in the tank to raise the temperature in winter; Tropical fish, suitable for growing in a water temperature environment above 20, can be placed in the tank heating rod, water temperature control at about 24.

Cold-water fish is suitable for growing in 0 20 water body with rotten environment, in order to make it better grow, you can place a heating rod in the tank, the water temperature is stabilized between 12 and 18, if the temperature is higher than 20 or lower than 0, the fish are prone to death, so in summer and winter need to be reasonably controlled.

Koi, goldfish and other wide-temperature fish are suitable for growing in the water temperature environment of 20 27, if the temperature is too low, the overall activity of the fish will decrease. It usually grows normally in a water body environment of 5 30 years, and does not die when the water surface freezes. However, in order for it to grow healthily, it is also necessary to place a heating rod in the tank during the winter.

Tropical fish are suitable for growing in 24 26 water environments, and for most tropical fish, they can grow normally in water environments above 20 years. But in order to make the fish more ornamental, it is also necessary to place a heating rod in the tank to stabilize Wendy at about 24 and no more than 30.

How big is the fish tank, about 1 meter of the tank, with a 300-watt heating rod, this can only be a constant temperature, can not be heated, you have to first increase the water temperature to about 28 degrees, and then hit the heating rod constant temperature If it is a small fish, you can fish them up and add boiling water, the fish is not fishing, but the boiling water must be slowly added from the filter, so that it is OK, but the boiling water needs several bottles, it is recommended to go directly to the outside to draw water, or you can't burn it.

You can also hang a light bulb on the fish tank to light it 24 hours a day.

It's best to change the heating rod and give it a good environment if you prefer to raise fish. The heating rod is not expensive, it is recommended to buy jebo's, it is cheap and durable.

1.Buy a thermostatic heater and plug it in 24 hours a day, which is more electricity-intensive.

2.If the fish tank is placed in a place where the indoor temperature does not rise or fall much, the temperature can be basically constant, and the temperature rise and fall by one or two degrees will have no effect on the fish.

My fish tank is on the windowsill, 18-19 degrees during the day and 20 to 21 degrees at night without any problem.

Rest next to the heater and bask in the sun.

Summary. Hello, the temperature of the fish tank at home in winter is indeed the same as the room temperature, because they are all the same indoor things, and the temperature will be the same if there is no additional heating. Therefore, if you are afraid that the fish at home will be too cold, you can also add some temperature to the fish.

This is why many people will electrify the fish in winter, so that the fish will live better and happier at the right temperature.

Hello, the temperature of the fish tank at home in winter is indeed the same as the room temperature, because they are all the same indoor things, and the temperature will be the same if there is no additional heating. Therefore, if you are afraid that the fish at home will be too cold, you can also add some temperature to the fish. This is the reason why many people will electrify the fish in the winter and increase the temperature, so that the fish will live better and happier at the right temperature.

It's my pleasure to help you! Have a great day! If you think it is helpful to you, please give it a thumbs up! Thank you.

Loss of appetite: When the water temperature in the tank is low, the appetite of the fish will be affected. At this time, they are not easy to open their mouths, and some fish with high temperature requirements will stop eating directly.

Reduced activity: The water temperature in the tank is low, and the activity of the fish will also decrease, and most of the fish will hide at the bottom of the tank.

Prone to illness: Long-term low temperature fish may also have a decrease in resistance and become susceptible to illness.

When the water temperature inside the tank is on the low side, the keeper can install a heating rod. And gradually raise the water temperature to a comfortable range, so that the effects of low temperatures on the fish can be mitigated. If you can't install a heating rod, you can wrap insulation around the fish tank and add a small amount of warm water to the fish tank, which can also maintain the temperature in the fish tank.

In addition, when the outside temperature is low in Zhengyin, the keeper can transfer the fish tank to the interior, which can also raise the water temperature and keep the temperature stable.