All minerals and other particles are left in either the Media Pad or down your drain. Yes, there is much you need to know, although humidifiers have a great number of benefits, they do require essential maintenance. Cleaning should not be disregarded, an unclean humidifier can produce an excessive amount of microorganisms, which will give an inflammation of the lungs. A new window will pop up with links to mainly government sites. If you do not want to read this just yet, here is a quick list of guidelines.
General products are all of excellent quality.