This article should help you understand the basics of water chemistry.
https://www.homebrewtalk.com/f128/brewing-water-chemistry-primer-198460/
I also use the EZ water calculator. Just plug your numbers in and change the values. It takes about a 1/2 hour to figure out
Here is the thread. A lot of people say its better. 1 week into fermentation it tasted dead on. I havent cracked the keg yet.
https://www.homebrewtalk.com/f68/left-hand-milk-stout-clone-139820/
More pics plzzzzzz. That is one sweet setup. How did the testing go? Are you brewing on it yet? Where did you get the kettles, stand and vent?
I'm in the process of selling my business,if it pans out this will be my next goal. Cheers!!!