A dash of lime juice and a dose of sunshine make a cheap, effective combination for safer drinking water in impoverished countries.
Adding lime juice to water being treated with a solar disinfection method removes detectable levels of harmful bacteria such as E. coli significantly faster than solar disinfection alone, researchers say.
“For many countries, access to clean drinking water is still a major concern,” says Kellogg Schwab, professor of environmental health science at John Hopkins University and director of the Global Water Program. “Previous studies estimate that, globally, half of all hospital beds are occupied by people suffering from a water-related illness.”
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