 He was clear. I mean, it's just unbelievable. How do you make the stuff? There's a brand called Silver Lungs, and this guy, it's around $400 for the unit. But I've had one for 12 years I've been using, and I just got another one. But you make two different kinds. One is ionic, and that's clear, and the other is colloidal, and that's slightly amber.