There is a way for fish ponds to clear moss
The main reasons for the flooding of fish ponds in fish nursery ponds are as follows: 1 The pond is shallow and the light is at the bottom. Moss is easy to grow. For more than 2 years, the aging of ponds and the regulation of the nutrient elements (including trace elements) in water and water are extremely unreasonable. On the one hand, the content of ammonia nitrogen is too heavy. On the other hand, it is seriously deficient in phosphorus, potassium deficiency and trace elements. This causes a lot of reproductive growth of the moss.
Moss removal method: 1 Quanchiposa copper sulfate (concentration 0.7ppm). On the third day, infuse new water 30-40cm deep (fighting and reducing toxins in the oxygen-deficient fish head); 2kg potassium dihydrogen phosphate (after injecting new water) 5-8kg per acre, plus 1kg of boron, zinc and other trace elements about. In this way, the moss can be removed after three to five days, which promotes a large number of reproductive growth in the water zooplankton (fish fry can be eaten), which can prevent the death of fish fry poisoning, and can ensure that the fry grow well.
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