How to disinfect fish ponds

Fish culture is a very common culture project in China, in order to prevent diseases and insect pests, insects and various harmful substances from affecting the growth of fish. We need to disinfect fish ponds on a regular basis, which is very important for the growth of fish. However, there are many people do not know how to disinfect fish ponds, the following editor has brought you several methods of disinfection of fish ponds, let's have a look!

1. Bleaching powder

The chlorine content of bleach is relatively high, if the bleach is sprinkled into the water, the chemical reaction with aquatic products will produce chemicals such as hypochlorite. Then these chemicals will release ecological oxygen, and its germicidal effect is very obvious. We should control the skill of bleach according to the pond area and spread it into the pond comprehensively and evenly. Bleach should be sealed when not in use, and it is easy to decompose if it comes into contact with air. And bleach also has a certain harm to the human body, so we should pay attention to the protective work when sprinkling bleach.

2. Quicklime

Quicklime in contact with water will produce a very strong alkaline substance, emitting a lot of heat, its germicidal ability is very strong. However, the use of quicklime sterilization, fish ponds should not have fish, otherwise it will cause great harm to the fish. Therefore, we usually use quicklime to disinfect fish fry two weeks before stocking, and control the water level of the pond at about 8 centimeters during disinfection. Then dig several small pits around the pond, and then put quicklime in to make it volatilize. After generating heat, a spade is used to spread it into the pond comprehensively and evenly. Quicklime can not only sterilize, but also improve the fertility of soil and water quality, increase mineral elements, and have a certain effect of fertilization.

3. Tea withered disinfection

Tea withered refers to the residual residue of Camellia oleifera after oil extraction, which contains tea saponin and tea saponin contains certain toxins. It can dissolve the red blood cells of fish, so it is very effective to prevent and cure some miscellaneous fish. Tea saponins can also be dissolved in alkali water, so the effect of tea saponins combined with quicklime will be more obvious. Tea withering disinfection is generally carried out on a sunny day in winter, and it is best to start when mixed fish float their heads, and sprinkle them into the pond, which can not only improve the disinfection effect, but also reduce the cost. And tea withering can also improve the water quality and provide some bait for fish.

4. Points for attention

When we use bleach disinfection, we must pay attention to control the dosage, if it is too low, the effect is not obvious, but too high will cause great harm to the growth of fish. Therefore, when we use bleach for disinfection, we should first of all pay attention to calculating the water quality, volume and growth of fish ponds. Then control the time reasonably according to the weather change and other factors to maximize the efficacy. Usually the best time to sprinkle the drug is generally at noon in sunny days, and it is not suitable to sprinkle the medicine when the temperature is low in cloudy and rainy days.

The above timely fish pond disinfection methods and matters needing attention are briefly introduced, fish pond disinfection is very important for the growth of fish. If there is no timely disinfection or improper disinfection, light will reduce the growth rate of fish, serious will lead to a large number of fish death, seriously affecting the efficiency of culture. That's all for today's introduction. This article is for reference only. Thank you for your reading and support.