The present set-up is designed to conduct the flocculation test in the laboratory. The test is called as Jar Test which is routinely performed by the water treatment operators in the industry. The laboratory scale unit of Flocculation test unit consists of 6 Nos. of Glass Flocculating vessels. These are provided on a translucent base which is illuminated from bottom by a florescent lamp. Each vessel is provided with a separate stirrer. A Paddle type SS Impeller is fixed on the stirrer shaft and the speed of the impellers can be regulated with the provided speed controller. All stirrers are driven with one motor. This paddle assembly can be easily removed for the cleaning purpose.