Water sample 3

Take a water sample (from the sea, not the tidal pools) to determine salinity. You will take samples at three locations today (2 on the northern side and 1 on the southern side of Haringvliet). Use the bottle given to you and fill and close it underwater without trapping air. Be very careful to fill the bottle slowly,  otherwise your measurements will not be accurate.

After you collected your water samples this afternoon, you can execute your salinity measurements with the device found at café Boelies (with a staff member 👤).