This video addresses the important topic of testing your brewing water for a very low cost compared to brewing specific water test kits and professional water testing.
Here is the link mentioned in the video:- http://braukaiser.com/documents/Kaiser_water_calculator.xls
Channel links:-
facebook.com/groups/Brewbeer
https://www.teespring.com/stores/david-heath-homebrew
Introduction music:- Drink Beer (Till The Day That I Die) by Dazie Mae