How am i talking crap? Have you used 0ppb? I've used 0ppm and 0ppb which put's me in a better position to have an opinion. And for your information,i didn't spend stupid money. It can be done at home. Not saying it's cheap,but a lot cheaper then Ionics!!
How do you know it's zero ppb?
Do you have a TDS meter that measures that?
Also, not all containments in water can be measured by electrical conductivity. Some don't conduct electricity.