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Do Salt Lamps Draw In Water?

Published in Salt Lamps 2 mins read

Yes, salt lamps do draw in water by attracting moisture from the air.

How Salt Lamps Attract Moisture

Salt, by its nature, is hygroscopic, meaning it readily absorbs water from its surroundings. When a salt lamp is placed in a room, it starts to draw in the moisture present in the air. This process can lead to water condensation on the surface of the lamp, particularly when the lamp is not heated.

Here's a breakdown of how it works:

  • Hygroscopic Nature: Salt naturally attracts water molecules from the surrounding air.
  • Condensation: As the salt lamp absorbs moisture, the water vapor in the air condenses on its surface.
  • Temperature Impact: If the lamp is turned on, its heat will typically evaporate the accumulated water. However, when the lamp is off or not warm enough, the water can accumulate and even trickle down.
    • This is why you might find water droplets on the lamp or its base, especially in humid conditions.

Practical Implications

The phenomenon of salt lamps drawing in moisture has a few practical implications:

  • Water Accumulation: If your lamp is not turned on regularly, you might find a puddle of water at its base, which can damage furniture.
  • Humidity Indication: The presence of water on your salt lamp can indicate that your environment has high humidity levels.
  • Maintenance: Regularly turning on your salt lamp helps to evaporate the moisture and prevent water accumulation.


According to information from 07-Jan-2021:

"Genuine salt lamps draw moisture from the air, which can cause water to condense on the lamp's surface. If your lamp is turned on, its warmth will cause the water to evaporate. But if your lamp is not warm, the water may trickle onto the lamp's base or the furniture underneath it."


In conclusion, salt lamps do draw in water by absorbing moisture from the air, which can lead to condensation on the lamp's surface, especially when not heated.

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