High-Contrast Secchi Disc for Water Clarity Testing — Includes 20-Meter Measured Cord

Description

Product Code: 171-CL

Used to determine turbidity or degree of visibility in natural waters. The 20 cm (8″) diameter black and white discs come with 3/4 lb lead weights. Includes 20m calibrated line.

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Quality Secchi Disc, Black And White, With 20M Line for your collection.