#water testing
3 stories

Columbia Researchers Create PFAS Water Detector
Columbia scientists build yeast and AI system to quickly test water for toxic PFAS chemicals.
Pulse 2.0 · 1m
City of Sheyenne Warns of Lead in Water
City of Sheyenne alerts residents after water tests find lead levels above safety threshold.
Valleynewslive · 1m

Filtered shower heads won't fix your hard water
Popular shower filters target chlorine, not the calcium and magnesium causing white crust and buildup.
Woman's World · 2m