E-mail: michael@shboqu.com   |   Expert in Water Quality Measurement and Water Treatment Project

The importance of aquaculture for water quality testing!

by:BOQU     2021-10-23

The importance of aquaculture water quality testing:

With the enhancement of people's consumption level and environmental protection awareness, consumers' eating habits and structure have undergone great changes. Green aquatic products are more and more favored by consumers, and the safety of aquatic products is gradually being appreciated by people. Care and attention, and water quality have become the key to good fish. The quality of water is closely related to the growth of fish, shrimp, and crabs. However, the water quality analysis in the aquaculture process should be implemented throughout the aquaculture process. Through the measurement of water quality, we can grasp the situation and change the trend of water quality at any time, make timely adjustments, keep the water quality stable and good, and make detailed data records. Through data analysis, we can better understand the water quality and environmental conditions of fish and shrimp and achieve green farming. Data analysis will become the development trend of scientific farming in the future. Pandian Bio will work together to create a refined data management plan for you. Create greater value.

Several important indicators for aquaculture water body detection:

PH: The pH of the aquaculture water is too low. The fish in the water are particularly sensitive to infectious fish diseases, breathing difficulties, and slow growth. Excessively high water bodies are strongly alkaline, which corrodes the gill tissues of fish, causing breathing disorders, and suffocating fish in severe cases. Strongly alkaline water also affects the activity of microorganisms, which in turn affects the degradation of organic matter by microorganisms.

Nitrite: Nitrite is an intermediate product in the process of converting ammonia into nitrate. It is unstable. When oxygen is sufficient, it can be converted into nitrate which is less toxic to fish under the action of microorganisms. When hypoxia is converted into toxic ammonia nitrogen. The concentration of nitrite increases, the fish’s food intake decreases, the gills are dark purple, breathing is difficult, swimming slowly, and disturbed; if the concentration is too high, the fish is weak, the fish is soft, the bottom of the buttocks is yellow, and some organs fail. In severe cases, it will lead to death.

Ammonia nitrogen: The main hazard of ammonia nitrogen: an increase in ammonia nitrogen concentration is mildly toxic to fish, and it is easy to get sick. If the ammonia nitrogen concentration is too high, it is more toxic to fish and can easily lead to fish poisoning and even a large number of deaths.

Phosphate: Phosphate is not toxic to fish. However, high phosphate can cause algae to multiply in the water and indirectly affect the growth of fish. Excessive propagation of algae will consume a large amount of oxygen in the water and cause damage to the growth of fish. Phosphate has a more significant effect on algae growth than nitrate. The main source of phosphorus in water is the leftover feed that fish eat. The amount of fish feed can be adjusted according to the phosphate data index. The ideal phosphate level should be below 0.05mg/L.

Dissolved oxygen: Sufficient dissolved oxygen in the water can inhibit the formation of toxic substances and reduce the content of toxic substances. When the dissolved oxygen is insufficient, ammonia and hydrogen sulfide are difficult to decompose and transform, which can easily reach the level of harming the healthy growth of fish.

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