In this project, salt precipitation will be investigated in detail from microscale to bed-scale using innovative microfluidic technology. Microfluidics have been on the spot of research focused on multiphase flow due to the possibility to visualize ever smaller volumes, in the last decade. Microfluidics may provide a more detailed and representative view of the basic physico-chemical properties of fluids and the underlying mechanisms in nucleation and growth of sparingly soluble salts on surfaces of varied wettability shall be clarified.