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Frey Scientific Secchi Disk, 8-3/4 Inches x 72 Feet

Item #: 1526406
$26.89 $20.97

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Students measure the turbidity or degree of visibility of the water just like professionals. 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 (22m).
Includes:
  • 1 Secchi Disk