If the water in the fish pond is turbid, it shows that the ecosystem in the pond is unbalanced. At this time, we should first improve the water quality, and then rebuild the ecological cycle. First, the solid dirt in the pond should be removed by mechanical filtration, and then new water should be injected into the fish pond regularly, so that the water body can be improved. Generally, water should be added every 7-10 days, and about 15-20 centimeters should be added each time.
1. Chlorine dioxide: Chlorine dioxide is a very popular disinfectant at present. Its dosage is small and the effect is good. Moreover, it has almost no negative effect on the fish. Usually, chlorine dioxide effervescent tablets can be used to chase into the water, 200 grams of water per mu can be used, not only can disinfect, but also has a therapeutic effect on fish diseases.
2. Bleaching powder: Bleaching powder is also a commonly used disinfectant, but it is not easy to preserve, and the dosage should be well controlled, otherwise it is easy to poison the fish. Generally, about 600 grams per mu should be used, which can be sprinkled after water is dissolved, or sprinkled once after feeding.
3. Disinfection of mixed feed: This disinfection method is to mix the medicine into the feed, select the appropriate medicine according to the feeding habits of the fish, and control the dosage at the same time. Usually once a month can be mixed, often fed easy to have drug resistance, disinfection effect is greatly reduced.
