Measure turbidity in streams where a Secchi disk cannot be used.
Clear polycarbonate tube (in 2 lengths) has a 4.5 cm diameter Secchi disk design on the bottom. Drain the tube with hose and finger clamp. Longer length meets requirements of GLOBE. Available in 60 cm and 120 cm.
|623-2050||Turbidity Tube, 120 cm|
|623-2055||Turbidity Tube, 60 cm|