That said, storing water for a disaster or emergency should be done in only food grade containers. You can avoid plastics such as HDPE and PET to prevent the leaching of chemicals, but those are, technically “food grade” plastics (according to the FDA – so take that with a grain of salt) and you may not have a way around it.
Despite Nestlé’s skepticism of the results and the valid caveat that the study has not been peer-reviewed, Andrew Mayes, a senior lecturer in chemistry at the University of East Anglia — and the developer of the Nile Red method the researchers employed — generally approved of the methods.“This is pretty substantial,” he said. “I’ve looked in some detail at the finer points of the way the work was done, and I’m satisfied that it has been applied carefully and appropriately, in a way that I would have done it in my lab.”
