Secchi Disk, For water clarity measurements., Each

Details:

This high-quality, affordable Secchi Disk is ideal for water clarity measurements. Constructed from robust white plastic, the disk features permanent, screen-printed black sectors. It comes with an attached sinker and a rot-proof polymer line wound on a polymer foam bobbin. The line measures approximately 72 feet (22m) in length, with markings at each foot. The disk itself has a diameter of 7.7 inches.