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What Water Should You Use in a Humidifier?
Overview
Best is purified or distilled water, then boiled-and-cooled water; avoid tap water. Water quality directly decides mist quality, white dust, and unit lifespan.
| Water | White Dust | Bacteria Risk | Effect on Unit |
|---|---|---|---|
| Purified/distilled | None | Very low | Best for the unit |
| Boiled-and-cooled | Little | Low | Fairly good |
| Tap water | Heavy | Higher | Scales easily |
