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The Secchi Disk is used to measure how deep a person can see into the water
Easily check water clarity in pools and natural bodies of water
Double-sided for two types of visual water clarity
Includes 50 feet of retrieval rope
This clarity measurement is required by a majority of the states’ health boards
The disk is double sided. The Secchi side is an eight inch diameter disk with alternate black and white quadrants. The other side is a black six-inch circle on a white background. Each disk comes with a 50 foot ¼” rope for easy retrieval. Our Secchi Disk is designed to measure how deep a person can see into the water, providing an accurate gauge of water clarity. This measurement is essential for maintaining swimming pool safety and is a requirement for many state health boards. This 8in Secchi Disk features a double-sided design, offering two distinct visibility indicators. One side displays a 6-inch black disk centered on a white circle, while the other side features alternating black and white quadrants for enhanced contrast. This dual design ensures easy and reliable visibility measurement in varying light conditions. Compliant with numerous state laws and regulations concerning water clarity, our Secchi disk is engineered for quick and accurate sinking, making it ideal for pool safety assessments. It comes pre-attached to a 50-foot rope, allowing for easy retrieval and convenient storage. Whether you're maintaining a private pool or managing a public facility, this Secchi Disk is a vital tool for ensuring clean, safe swimming conditions.