2. private should when heavy volume KLN being spread will eventually sink under a new lethal should lots of fish at the bottom.As the press posted can see live fish in deep water layer is affected more than fish living in the surface water layer.That may be the indication by the compounds contain KLN sank down, killing the fish and undersea creatures.3. The conclusions of the Inspection Department of agriculture & RURAL DEVELOPMENT-hue said the cause of the mass death of fish is due to the pH of the water changes suddenly, the quality of eutrophication (PO43-) increases dramatically. The question "where and why PO4 pH water increase suddenly?"a. stone at Vung Ang area very similar rocks phosphorite: have small hole and yellow color.
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