This question is obviously intended for those that live in places where tap water is “safe to drink.”
I live in Southern California, where I’m at the end of a long chain of cities. Occasionally, the tap smells of sulfur, hardness changes, or it tastes… odd. I’m curious about the perspective of people that are directly involved and their reasoning.
Get an undersink reverse osmosis and uv filter kit. Some come with a remineralizer so it doesn’t taste flat. Don’t go for a cheap one or it will leak. SoCal isn’t known for its water purity or consistancy.