Humidifiers can ease your breathing when you are sick and keep your home comfortable during the dry winter season. Adding salt to your humidifier's water can impede its efficiency.
Because adding salt to a pot of water on the stove lowers its boiling point, some people add salt to the water in a humidifier to encourage it to release more moist air. Because most humidifiers do not use heat to create moisture, the salt does not improve the unit's function.
Adding salt to a humidifier can create problems. The salt can build up on the sides and filter inside the unit as water evaporates. This can decrease the humidifier's efficiency. The salt that is misted out of the humidifier can stick to furniture and flooring. If you run the humidifier often, it can create a salty buildup on your furnishings.
Using filtered water in your humidifier will reduce buildup inside the unit. This will help it last longer and make it easier for you to clean. No matter what kind of water you use, replace it daily and clean your humidifier every few days. This reduces the risk of mold growth inside the unit.
- "The Baby Gizmo Buying Guide"; Heather MacLean; 2008
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