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Gary BoyerSep 12, 2025
Why does white dust appear outside my Crane EE-3191?
- RRodney Daniels MDSep 13, 2025
White dust appearing outside your Crane Humidifier usually indicates that your tap water has a high mineral content. Try using filtered or distilled water instead. Alternatively, you can purchase and add a Crane filter to the humidifier unit.