Many people use humidifiers during dry winter months, hoping to soothe dry sore throats or ease asthma- or cold-induced coughs. To prevent buildup in the humidifier, change its water supply daily and clean it a few times a week using a solution of vinegar and water (follow the manufacturer's instructions). Martha Stewart recommends using distilled or demineralized water to reduce buildup and letting the tank dry completely before refilling.
For more air purifying tips, read our Whole Living Daily blog post by green-living consultant Francesca Olivieri.
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