Turbidity Tube, 120 cm, Fieldmaster®

Measure turbidity in streams where a Secchi Dish can't be used. The clear polycarbonate tube is 60 or 120cm in lenght with a cm scale on one side and 4.5 cm diameter Secchi on the bottom. The Secchi design is attached to a rubber stopper that removes for cleaning . Drain the tube with drain hose and finger crimp.