The Aqua TROLL 400 is an all-in-one multiparameter aquaculture probe that measures 12 water parameters, designed for aquaculture management and real-time pond water quality reporting. Six water quality sensors measure actual and specific conductivity, salinity, total dissolved solids, resistivity, density, dissolved oxygen, ORP, pH, temperature, water level and water pressure. Use the Aqua TROLL 400 to monitor freshwater or saltwater production, hatchery operations, open pen production, and race
