Many city drinking water systems add softening agents to keep plumbing free of pipe-clogging mineral buildup. According to new research, these additives may amplify the risk of pathogen release into drinking water by weakening the grip that bacteria – like those responsible for Legionnaires’ disease – have on pipe interiors.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/07/180726085742.htm
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