Secchi Disk With 50 Foot Rope

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Our Secchi Disk is used to measure the depth at which a person can see into the water, thereby assessing water clarity. This clarity measurement is required by the majority of stat e health boards for swimming pool safety.This disk is double-sided and allows for two different types of visibility indicators. The representation is a 6 inch black disk offset on a white circle, as well as alternate black and white quadrants.Compliant with numerous state laws and regulations concerning water clarity, our Secchi disk sinks quickly in your pool, and it comes with a 50 feet of rope for easy retrieval. Show more