What Type of Water Should Be Used in a Humidifier? You should use distilled, demineralized or purified water to fill your humidifier as it contains less mineral buildup. The fewer the mineral deposits, the fewer microbes like mold, bacteria, and viruses are in the humidifier.Click to see full answer. Likewise, people ask, can you use bottled water in a humidifier?The EPA even admits that purified or distilled water is the safest and most effective resource for humidifiers, offering cleaner air and less buildup in the machine itself. For the case of bottled water, we often don’t know where the water originates. At the same time, bottled water creates a lot of waste. what is the best type of water to use in a humidifier? The best water for a humidifier is distilled water. Distilled water is boiled into steam, then condensed back into liquid. The process filters out both contaminants and minerals and results in purified water. Keeping this in view, is purified water the same as distilled water for humidifier? Depends on what you mean by purified water. Distilled water is best for several reasons. First it has zero mineral content so there won’t be a mineral buildup in the humidifier. I use water that has been through reverse osmosis and then is passed through deionization resins for my CPAP machine.Can you use purified water in a cool mist humidifier?Most cool mist humidifier manufacturers recommend using clean, clear tap water. While tap water may be suitable in many areas of the country, and studies have not conclusively shown that minerals in tap water pose a serious risk, the EPA recommends the use of distilled water for cool mist humidifiers.

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