It is very important to control the concentration of ammonia nitrogen and nitrite effectively in aquaculture, especially in pond farming or factory recirculating aquaculture. These substances can poison aquatic animals beyond a certain concentration, causing fish and shrimp to swim, float and even die. But in the process of farming, feed and animal feces are constantly added, which are decomposed into ammonia and nitrite under the action of decomposition bacteria. Through the action of microorganism such as bacillus bacillus and nitrifying bacteria, ammonia and nitrite are transformed into nitrite. In general, nitrates are not toxic to aquatic animals at very high concentrations. Especially freshwater varieties. However, when the concentration of nitrate remains high and the water is short of dissolved oxygen, some nitrate will reverse reaction and become nitrite again. This is also the main reason why nitrites tend to rebound in high-density aquaculture or industrial aquaculture.
Nitrates in water can be converted into nitrogen to escape from water by the combination of compound bacteria, multifunctional enzyme and bio-enzyme additive. This completely removes nitrogen from the water. Accelerate the conversion of ammonia nitrogen and nitrite into nitrates. Thus creating a good growing environment for aquatic animals.
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