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. 2016 Jan 27;11(1):e0147558. doi: 10.1371/journal.pone.0147558

Fig 2. Water sampler.

Fig 2

A commercially available water sampler was adapted for sampling benthic water. (A) Sampler as purchased. (B) Modified sampler, with plunger closed by a spring. (C) Sampler with bottle attached, plunger closed. (D) Bottle screw cap closed, plunger closed. (E) When the bottle touches ground, the plunger can be opened by pulling the attached cable. (F) When the plunger is opened, water can enter the bottle through holes in the bottle holder. See S2 Supplementary Material for building instructions.