Chemicals that keep drinking water flowing may also cause fouling

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 News -- ScienceDaily https://ift.tt/2JXJAmX