I have had the other symptoms you warn like metallic taste in mouth. (whatthefatbook.com)
The first time I followed the recipe closely, and the sauce ended up with a slightly metallic taste from the vodka. (connoisseurusveg.com)
Things like chlorine, zinc, and copper will be removed and your tap water won't have that kind of off - putting metallic taste anymore! (geekwrapped.com)