can the fish tank power outage last? The fish tank power outage usually lasts less than a day. How long to hold mainly depends on the feeding density, if the feeding density is small, it should be no problem to hold for a day, if the feeding is not relatively large, the power outage is 6-8 hours, the fish will have adverse reactions, such as hypoxia, sideways and so on. In addition, the temperature is appropriate, the fish tank is not covered, the fish is not easy to go wrong, if it is in winter, the fish tank is sealed, the time will be shortened.
1, sub-cylinder: for power cut, the first thing to do is to sub-cylinder. Because the feeding density of the general fish tank is relatively high, the demand for dissolved oxygen is also very large, the oxygen pump is needed to oxygenate, the oxygen pump can not work after power failure, it is easy to appear the symptoms of hypoxia, and the oxygen consumption is reduced in different tanks, thus avoiding the situation of hypoxia.
2. Open the lid: If there is a lid on the fish tank, it is better to open the lid after the power failure. The reason for opening is the same as the above, it is also to improve the dissolved oxygen. The contact between water and air can also improve the dissolved oxygen of water. However, if it is a tropical fish, it is better not to open the lid, otherwise the temperature will drop, which will be harmful to the fish.
3. Change the water: In addition to separating the tank and opening the cover, you can also increase the oxygen in the water body by changing the water. However, you must pay attention to the water temperature. The temperature difference between the old water and the new water should not exceed 2 ℃, so as to avoid the temperature fluctuation being harmful to the health of the fish.