The ERUN series water quality analyzer for fishery and aquaculture developed and produced by Erun Group is a solution designed with reference to the "GB 11607-1989". The water quality analyzer for aquaculture can mainly be used to test suspended solids, pH, dissolved oxygen, biochemical oxygen demand, total coliforms, mercury, cadmium, lead, hexavalent chrome, copper, zinc, nickel, arsenic, cyanide, sulfide, fluoride, ammonia nitrogen, volatile phenols, oil, etc. The water quality testing instrument for fisheries area is suitable for testing the water quality of marine and freshwater fishery waters such as spawning grounds, feeding grounds, wintering grounds, migration channels, and aquaculture areas for fish and shrimp.