Researchers think it's possible. In tests, the harmless predatory bacteria grew in numbers and ate most of the other bacteria.
Sweden removed chlorine in 2020
The researchers then analyzed water samples over a period of 6 months and a year and identified all the bacteria in them. “We have not seen this exact type of bacteria in previous studies of this drinking water network. It has probably been lying concealed in the biofilm but was now given an opportunity. It’s totally harmless for us humans,” said Paul.Next, the researchers asked one crucial question: could it perhaps be possible to add a mix of bacteria instead of chlorine?
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