I'm using RO water in an ultrasonic humidifier to rid the vapor of that whi te mineral dust, and it works well. However, while cleaning the humidifier I found a pink residue inside. The net says that this is bacterial in nat ure but I thought I'd check with you guys and assure myself that it isn't s omething the RO system is leaking into the water.
This is the system:
This is the article:
Thanks.