How to Prevent Crab Pool Long Green Film
Crab pool water often appears green water. This is caused by the large number of Microcystis aeruginosa plants, which cause the water body to become green and heavy to produce a green film. In the case of high levels of organic matter in the pool water, M. aeruginosa reproduces rapidly. When a certain number of species is propagated, the algae will die in large numbers. The rot that decomposes and produces toxic substances such as hydroxylamine and hydrogen sulfide will harm the crabs.
To prevent the occurrence of green film, one must completely remove silt during clear ponds, timely clean rotting grass, animal carcasses, deteriorating feed, etc., to reduce the content of organic matter in the water; second is to constantly add new water; third is the high temperature season. 10-15 kilograms of lime are splashed every 10 to 15 days. Fourth, organic fertilizer and nitrogen fertilizer are not applied. In addition to the green film, the average depth of 1 meter per gram of chelated copper 333-533 grams Quanchiposa.
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