Fish pond water quality control technology

As the saying goes, raising fish first raises water. The quality of water has a great influence on the growth and development of fish. Water quality is not good, fish is easy to get sick, and a good water quality environment is the basis for disease prevention. Here are some practical techniques for prevention and control of water quality in fish ponds summarized by the technical instructor of Qilin District:
First, strictly control the water source to prevent sewage from flowing into the pond. If necessary, measure the ammonia nitrogen, dissolved oxygen, and ph value of the water in order to adjust it in time.
Second, pay attention to observe the weather, changes in water color and fish activity, often adding new water. Timely oxygenation ensures fresh water and adequate dissolved oxygen.
Third, rational fertilization: basal fertilizer is best to use organic fertilizer, application time should be early, accounting for about 50% -60% of the amount of fertilizer for the whole year, before the application of organic fertilizer, it is best to close the fermentation of fertilizer, decomposed and then into the fish pond , This will not pollute the water quality, but also be quickly absorbed by the body of water. The water quality is “fat, live, tender and cool”, and the transparency is generally 25cm-35cm.
Fourth, the use of probiotics, adjust the micro-ecological balance, commonly used nitrifying bacteria, photosynthetic bacteria, sulfide bacteria, EM and so on.

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