Will this ruin my brew?

[scaffologist]

I'm sure you guys get a lot of these, but I'm sure this one is a new one. I have 2 brews on now, both brewhouse pre made wort kits. The pale wheat ale is in the secondary and the Munich dark lager I started yesterday. The problem is the top up water I used. These kits require 8L of top up water. My parents have access to good well water, so when they came to visit they brought me a jug. When they left, I wasn't home, so they poured the water into a jug I had in the basement. I came to find out after that this was the jug I use for filtering my other home brew, of the distilled variety. The good drinking water jug i thought it was was still in the camper when i went in there. I tasted the water and that sulphur taste is there about as strong as the chlorine on my tap water. What effect do you think this will have on my beer?

 

[Braufessor]

My guess is it is not going to help your beer. It may or may not "ruin" it. Not ideal, for sure. Maybe give the yeast an extra week in the fermenter to clean up any off flavors that may be there. That might help.
Personally, if I was using "top off" water, I would use RO water bought from the store and I would likely boil any top off water before adding to fermenter just to be on the safe side.

 

[scaffologist]

I have no worries with the water. My mother has been making beer and wine with this water for years with no problems. A little late for the wheat ale, it's already racked to the carboy. As or the dark lager, I'll leave it a little longer and hope for the best