Watermark Limnological Weighted Secchi Disc - High Precision Water Clarity Measurement Tool for Lakes, Ponds, and Research Studies
$59.06
$78.75
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Description
Silk screened with black and white quadrants, this 20 cm diameter secchi disc is made of Sintra PVC. Unit includes: stainless steel hardware and built-in 24 oz. zinc sounding weight.
