How can goldfish maintain water quality? maintain
Appropriate water quality is the key to the success of raising goldfish. The water quality must be kept stable at all times to ensure the health and longevity of goldfish and their beautiful and beautiful body. The specific methods are as follows:
(A) drying water
When the water source for raising goldfish is selected, first put the water in the pots, ponds and other containers where the goldfish are raised to dry for 1 to 2 days (preferably in an open-air environment). This process is called water drying in the Beijing goldfish breeding industry. In seasons with less sunlight such as winter, it can be dried in the air for a period of time, but it only needs to be increased by 0.5 to 1 times. When the temperature of the new water rises to a temperature similar to that of the old water or the water for raising goldfish, it can be used. During the water drying process, various impurities in the water can be fully precipitated, and chlorine gas can be fully emitted to facilitate the life of the goldfish. Well water, tap water and other raw water, the water temperature is too low, if suddenly contact with the fish body, often cause the goldfish scales to stand upright and reverse (commonly known as fried scales), lose the original beauty, also lose the protective effect of the scales on the body, and even die. The time to dry water can be properly controlled according to the season and weather conditions. Generally, 1 to 1.5 days in spring and summer; 2 to 3 days in late autumn; 3 to 4 days in winter is ideal. It needs to be flexibly controlled by the breeding staff according to the specific situation.
(2) Mix with water
In the artificial feeding environment, goldfish have strong adaptability to water temperature. Under the hot sun in summer, the water temperature can reach more than 30 ° C, and it can still withstand it. In winter in Beijing, goldfish can safely survive the winter at a short 0 ° C. However, it is difficult for goldfish to adapt to the sudden rise and fall of water temperature, which often threatens the life of goldfish populations due to sudden changes in water temperature. Therefore, when raising goldfish, it is necessary to have enough drying water at all times for water mixing or water changing. Generally, when changing water or water mixing, the temperature difference between the drying water and the old water should not exceed 4 ° C for adult fish and 2 ° C for juvenile fish.
(III) Water exchange technology for raising goldfish
To change the water for raising goldfish, the dried "drying water" is widely used in the north and south of our country. The method of changing the water is generally based on partial exchange, unless the water quality is extremely deteriorated, all the new water is replaced. The most avoided use of undried raw water for raising goldfish. A large amount of raw water is suddenly injected into the goldfish basin, which can easily cause the fish to fry or even die. Even the dried cooked water should be slowly mixed in according to the needs and proportions according to the season, climate, ambient temperature, water cleanliness, smell and oxygen content. Do not pour or dash, so as not to irritate the fish. The key points of the four-season water exchange technology are as follows: 1. After a long period of low temperature and lack of sunlight in winter, the goldfish in early spring are weak, and they begin to be raised in an outdoor open-air environment at this time. The exchange water of the fish should be extra careful, once a day, or once every other day as appropriate. It is best to control the exchange water volume at about 10% of the total water volume. At this time, the water temperature is still low, the amount of dissolved oxygen in the water is large, the food intake of the goldfish is still small, and the oxygen consumption rate of the fish is low. A small amount of water exchange can meet the needs of the goldfish community.
