4 ms·
I find it hard to believe that some calcium ions constitute a health hazard.
by eutectic 3y ago
I find it hard to believe that some calcium ions constitute a health hazard.
- vosper 3y agoProbably depends on what’s in the water. Quoting the original research paper: > A phenomenon known as “white dust” is associated with filling ultrasonic humidifiers with hard water; inhaling this white dust caused childhood lung injury (Daftary and Deterding, 2011)