Marked 0 to 20m in 1m increments, this heavy nylon line can be used with secchi discs to determine turbidity of water or with the accompanying 2 lb. zinc sounding weight to test overall depths of ponds, lakes, rivers, etc. Line features a spring clip for quick attachments and is wound on a foam spool which doubles as a flotation device to prevent accidental loss of line if dropped overboard.
Product Notes: Metric Scales.
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