12 lines
422 B
Markdown
12 lines
422 B
Markdown
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# Plankton Net
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The simplest device you can use is a plankton net. It should be made of a fine mesh, down to 20 micron. It can be towed behind a boat at low speed (less than 2 knots) or towed by hand in a river or a lake.
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Plankton nets can be made easily with a good sewind machine and some hardware.
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