Turbidity Means the ability of the water to absorb or absorb the light through. Turquoise matters include organic and inorganic substances in water. The small organisms appear in the form of suspensions, such as particles of sand, plankton, bacteria, etc.
The turbidity unit is NTU (Nephelometric Turbidity Units) Natural water is always turbid
⇛ Clear water will not exceed turbidity 25 NTU
⇛ The turbid medium has a turbidity value 25 – 100 NTU
⇛ The turbidity is very turbid 100 NTU