Anonymous posted an answer for this Vicks Warm Steam Vaporizer 1.5 Gallon Humidifier:
"No salt, unless you had 0 steam - to stop water spit, throughly clean the water tank, just..."
Anonymous posted an answer for this Vicks Warm Steam Vaporizer 1.5 Gallon Humidifier:
"Clean the unti - and do not add salt. I live in a major hard water city...and was amazed..."
Humidifiers 2 answers