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How to Remove Limescale from a Humidifier: Cleaning Methods

Overview

Using tap water long-term causes limescale (mainly calcium and magnesium carbonate) to build up on the tank, atomizer, and basin, hurting mist efficiency and breeding bacteria. Soaking in white vinegar or citric acid regularly removes it and keeps the humidifier clean and misting well.

Part to CleanMethodFrequency
TankSoak in white vinegar or citric acid, then scrubWeekly
AtomizerWipe gently with a soft cloth dipped in vinegarEvery 2 weeks
BasinSoak in citric acid, then rinseMonthly