Water & Cannabis (RO, TDS, PPM, EC, NCI)

Here is a little video tutorial I made on the various aspects of water. I go over reverse osmosis, pH, PPM/TDS/EX, Negatively Charged Ionized Water and some tricks and tips! Hope you enjoy~
Dr. B
[video=youtube;vUOfNeTvWzQ]http://www.youtube.com/watch?v=vUOfNeTvWzQ[/video]

Thanks, that was very informative.