The Technical Research Centre of Finland LTD (VTT) and the University of Turku, Finland are developing a simple, do-it-yourself test for detecting the presence of toxic blue-green algae in water:
At the moment it looks like this:
Picture: Pirjo Hakkarainen VTT
Now this should be taken to th next level – make it commercial. Interested? Contact VTT.
They still need somebody to commercialise it. Take a look: