Do you put hot or cold water in a diffuser?
Sarah Scott
Updated on May 15, 2026
Warmer water tends to create a fuller mist while cold water can inhibit ultrasonic vibrations, therefore producing less mist. To extend the life of your diffuser, please be certain to use only 100% Pure Essential Oils. by doing so, it will ensure your unit qualifies for any future warranty claims.
Can you put hot water in your diffuser?
Use warm water.For more rapid diffusion of your essential oils, you can place a few drops of it into warm water. Make sure the water isn't warmer than your body temperature so it doesn't change the composition of the oil.