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Do small fish eat moss in the water?
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Moss is a kind of filamentous algae, which is commonly found in fry ponds and sometimes found in adult fish ponds. When mosses multiply in a large number in a pond, the water in the pond will be diluted sharply, which will affect the growth of fish. The common filamentous green algae is Spirogyra, which generally begins to germinate and grow gradually when the water temperature rises in spring. Once the fry or fry enter the moss, they lose their freedom, and it is difficult to swim out again, leading to death.

1, preventive measures Conventional cleaning methods of quicklime pools can prevent and remove moss. In a fish pond, the water source should be filtered to avoid bringing moss into the pond.

2. Killing method (1) In a pond without fish, 50 kilograms of plant ash is sprinkled on moss per mu of water surface, which can make moss die without sunlight; In the pond where fish have been put, according to the water depth per mu per meter, sprinkle 0.46 kg of copper sulfate in the whole pond to kill moss. (2) 53.36 kilograms of gypsum powder is used for each mu and each meter of water depth, and the whole pond is sprinkled three times, with an interval of 3-4 days each time. If the amount of moss is large, the dosage can be increased to 66.7 kilograms of lime plaster powder per mu per meter of water depth, and the application should be carried out after feeding the fish in the afternoon. If possible, fresh water of 10-20 cm can be injected after smearing, and the effect will be better. Using gypsum powder to control moss will not dilute the pool water or cause hypoxia, and after many tests, all moss can be killed within 15 days, which is better than using copper sulfate.