Figure 6

Schematic illustration of experimental set-up. (A) glass containers with three different sediment suspension, (B) tubing for rinsing the suspension into beakers, (C) multipoint stirrer, (D) beaker filled with sediment suspension and plexiglass holder on top with a coral glued to a screw, (E) overflow collection trays and water bath, (F) Styrofoam plates to slow down evaporation and keep the temperature in the beaker stable.