Turbidity is a measure of the degree of water transparency loss due to the presence of suspended particles. SEKO supports water-treatment professionals with the provision of high-grade turbidity proves suited to a multitude of applications. The term turbidity indicates the reduction in transparency of a water sample due to the presence of suspended substances. The measurement of water turbidity is based on the amount of light scattered by the particles present in the water column and is considered a good measure of water quality.