Good point. This is another thing i neglect in my rather lazy process, for the mere fact that i start out with a pretty mineral and alkaline free water. I wonder a few drops of gypsum etc. would do to my creations. You wouldnt know i have the blandest beer in Canada. Its not imho, but could it be better, with some water additions?
Yeah I was first and foremost referring to alkalinity and the related pH control. That can have a huge impact if you happen to have high alkalinity water and do nothing about it. But now I remember also from that other thread you said that your water is good from that perspective.
Mineral additions are only a rather minor screw IMHO. They can definitely have an impact but it's not going to be day and night, unless you really go to the extremes.
OK now lets get the thread back on topic , I cannot contribute much to the BIAB discussion myself, but after reading such threads I sometimes regret I did not consider BIAB as a possibility when stepping up my game about 1.5 years ago...