How To Choose The Best Water For Distilling?

I thought I was preparing for a GREAT brew using Rain Water from my Water Tank, but things constantly went wrong and the reason was most surprising.

I welcome and look forward to your comments on this dilemma.

*** UPDATE*** - I have produced an Update Video to this Vid and you can see the reasons for my problems on this link https://youtu.be/mXALscqIy0U

Background Music - I Need to Start Writing Things Down by Chris Zabriskie is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://chriszabriskie.com/darkglow/
Artist: http://chriszabriskie.com/

Happy Brewing........

Видео How To Choose The Best Water For Distilling? канала Still Stuff