I bought an old Vornado Evap40 wicking unit from an estate sale some time back after concerns about using an ultrasonic unit with tap water that is high in sili

I bought an old Vornado Evap40 wicking unit from an estate sale some time back after concerns about using an ultrasonic unit with tap water that is high in silicates. The whole unit breaks down so it's pretty easy to clean if it gets slimy inside.