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Takeaway: how to take sea water samples

Takeaway: how to take sea water samples
By Euronews

This simple tool allows scientists to take sea water samples

The plastic tubes can withstand enormous pressure

The lids are remotely controlled from the vessel

The instrument is lowered into the sea using a crane

The lids close at the required depth, keeping water inside

Water samples show the health of the sea

Plankton, salt and oxygen levels are the most important indicators