Product review (5 stars): Works well
My town water is pretty bad, lots and lots of chemical and calcium, my vaporizer humidifier needs to been clean out every 2 weeks. The heating element gets rock like deposit covering it. So you can see how bad the water is. I added this to my regular fan humidifier and it seems to reduce the amount of residue after each refill. I also use the bestair brand solution, and this seems to work just as well as that but a little cheaper.