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United Scientific Supplies Secchi Disk
For water clarity measurements.
Manufacturer: United Scientific Supplies SCDSK1
- Good quality and inexpensive Secchi Disk for water clarity measurements.
- Constructed of robust white plastic disk with permanent screen-printed black sectors.
- Includes attached sinker and rot-proof polymer line on polymer foam bobbin.
- Line length is approximately 72 feet (22 m) and includes a marking at each foot.