Mud crab fattening design (RAS) and water parameter Post author By admin Post date January 3, 2022 No Comments on Mud crab fattening design (RAS) and water parameter Water parametersalinity 15-25 pptpH 7.5 to 8.9Alkalinity : >120ppmIron: < 0.25ppmD.O : > 4.5ppm