How often do fish farmers change their water? How much is the right amount to change the water?

It is better to change the water once a week or so in fish farming. 1. The frequency of water change should not be too high or too low suddenly, at the beginning it is a few days to change the water, and it is best to continue, because irregular water change is tantamount to tossing for the fish, which will make the fish "hurt their vitality".

2. The temperature of the water exchange should not be too low, and the temperature of the original water in the fish tank should be basically the same.

3. When changing the water, you don't need to add any potion, just add a small amount of nitrifying bacteria.

When raising fish, it is enough to change the water once every two or three days, and if the water is particularly dirty when changing the water, it needs to be replaced completely. Raised fish.

People should know that if the fish tank is relatively small, then the water in the fish tank will become very turbid in two days, if you do not change the water at this time, then it is easy to cause some stinky smell in the water in the fish tank, and it may also directly affect the living environment of small fish. Therefore, it is normal to change the water once every two days, but it is not the case if the fish tank is relatively large. <>

First of all, it is necessary to change the water when raising fish, because some people think that there is no need to change the water when raising fish, after all, fish live in the pond like this. However, the pond is very large, and the soil and various microorganisms in the cafeteria can help the water to be cleaned accordingly. However, if you use a fish tank to raise fish at home, you need to change the water, because if you don't change the water, the water quality will get worse and worse, and the small fish may get sick or other bad phenomena in this environment.

The quality of water quality will directly affect the life of small fish, so if you want to raise fish and want to raise fish well, then the thing to do is to change the water frequently, and when changing the water, you must also ensure the normal growth of the small fish. In fact, the main purpose of changing the water is to remove all the garbage and pollutants in the water, and only in this way can the water be clean. <>

If the weather is very cold in winter, then you should use the right way to add the corresponding oxygen to the water, and also adjust the temperature of the water, otherwise the small fish are likely to get sick. What kind of water to add when raising fish also has a corresponding consideration, whether it is raw water or old water or new water or old water, which needs to be paid attention to.

The water change interval of ornamental fish is not fixed, it will be affected by many things, such as temperature, filtration and dirt content, usually the higher the temperature, the more perishable the water quality, so it can be changed every 3 to 4 days, and it can be changed once a week in winter.

It is necessary to change the water source once every three days or so, and it is more appropriate to change the water for 1 4, which will not affect the living environment of the fish.

You can change the water once every two or three days, and after changing the water, you must change it all, and you must pay attention to removing impurities and increasing the oxygen in the water when paddling.

Under normal circumstances, it is changed once every 3-4 days in summer, once every 8 days in spring and autumn, and once every 15 days in winter, and about one-third of the water is changed each time, and it can also be judged according to the water quality. There are four types of water: fresh water, freshly dried tap water or freshly dug well water; Old water, light green or light amber; Green water, the water is a deep green color, and cyanobacteria and other species bloom in large numbers; When the water is returned to clean water, the oxygen in the water is depleted, and the algae and aerobic bacteria die.

Generally, the water can be changed during the green water stage. This depends on the habits of the fish raised, some fish like new water, and some fish like old water. If you raise small tropical fish, because the excretion is small, if the density is not large, and the filtration is perfect, you can change the water for half a month to 1/5 of the water.

If it is a large fish, it should be replaced by 1/5 of the half of the month when it likes old water, and 1/5 of what it likes for 3-5 days when it likes new water. If you are raising fish in a grass tank, you can extend the time, you can change the water once a month, and every few months. Do not change the water can not be replaced in the whole tank, after the formation of the water environment fish to adapt to this environment, should minimize the fluctuation of water quality, the principle of frequent change of a small amount.

The main purpose of the water change is to dilute the nitrate produced by the decomposition of fish feces, and the plant can absorb the nitrate, so the water change time can be extended in the tank with grass.

(1) General water change Under normal circumstances, especially in the hot summer, as long as you insist on the feces and dirt at the bottom of the fish pond (tank) together with the old water, gently suck out 1 10-1 5 with a hose to remove the dust on the water surface and the feces that float, and then slowly inject isothermal new water along the wall of the pool (tank) to keep the water quality clean. This method of water exchange is not easy to injure the fish carcasses, is simple and safe, and is most suitable for home fish tanks or small pond fish farmers.

2) Partial water exchange This method of water exchange is mainly carried out in two situations. A situation in the hot summer and early autumn, the feed water in the fish pond (tank) has not been changed for a few days, and the water color turns green very quickly (because the amount of feed is less), the water quality is still clean, in order to prevent the fish from scalding the tail, therefore, all the fish in the pool (tank) can be fished out, and then the water in the pool (tank) rotates in a spiral shape, and after a moment of standstill, the dirt and stale water of the pool (tank) ** are sucked off with a rubber tube 1 3-1 2, and then injected into the isothermal, equal amount of new water, and then the fish are fished into the original pool (tank) to feed.

There is no fixed time, change when the water is dirty!

You don't need to change too much, it's usually just hydration.

Summary. If the stocking density in the fish tank is high and the power of the equipment is low, the water quality environment of the fish tank is prone to pollution changes, so the frequency of changing the water for the fish tank is relatively compact, generally 5-7 days to replace 1 time. On the contrary, if the stocking density is relatively sparse and the equipment of the fish tank is in good working order, then the water change can be maintained at about 10-15 days.

How often do fish farmers change their water? How much is the right amount to change the water?

If the stocking density in the fish tank is high and the power of the equipment is low, the water quality environment of the fish tank is prone to pollution changes, so the frequency of changing the water for the fish tank is relatively compact, generally 5-7 days to replace the Duan Shi 1 time. On the contrary, if the stocking density is relatively sparse, and the equipment of the fish tank is good and the socks are working normally, and the silver limb is held, then the water change can be maintained at about 10-15 days.

Kissing, fish farming generally changes the water every 5-7 days, and the specific frequency needs to be decided according to the number of fish and the Jidong Festival. The water can be changed every 3 or 4 days in summer, once a week in spring and autumn, and every half a month in winter. When changing the water, one-third of the water in the tank can be replaced each time to avoid the discomfort of the fish caused by the excessive frequency of water change.

Kiss and replace a third of the water.

This depends on the size of the fish tank, the density of the fish, the size of the fish and the effect of filtration, generally change the water once every 3-7 days, and change one-fifth to one-third each time.