Yesterday, I purchased one hundred empty 0.5 l water bottles, 60 kwacha each (~1kr), to use for my water samples. So the next thing to do is to actually go out into the field to measure pH, conductivity, temperature and turbidity, at my purposefully selected sample points. And also collect seven times six bottles of river water, for later analysis of metal and nutrient content in the laboratory.
The prospect of spending the bulk of the upcoming weeks in a chemistry laboratory, sweating and pulling my hair.. I don't know how I can possibly pull this of (the project, not the hair)!