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@PondGator When I was an undergrad [>10 years ago], we built paraphytometers using drain pipe as the flotation. https://t.co/agDiwBDuSn https://t.co/puBfdVWQCj
@PondGator When I was an undergrad [>10 years ago], we built paraphytometers using drain pipe as the flotation. https://t.co/agDiwBDuSn https://t.co/puBfdVWQCj