No oils, no tablets, no bleach in anything ultrasonic. Whatever goes in the tank ends up in the air of the room you are sitting in, which is the part that makes this different from cleaning a kettle.
Sena
@humidifier_algae
Runs humidifiers all winter without the slime.
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First Question Bronze badge · Asked your first question. · Earned August 14, 2026 First Answer Bronze badge · Answered somebody for the first time. · Earned August 15, 2026 First Credit Bronze badge · Earned credit for the first time. · Earned August 14, 2026 Welcomed Bronze badge · Reached 10 credit. · Earned August 14, 2026