Maybe your water at home tastes ok, but you occasionally smell rotten eggs when you turn the faucet on. Whether it’s an unpleasant odor, odd flavor, itchy skin, water spots or soap scum build up, you’ve probably come to the conclusion you need some sort of water treatment equipment.
Source: https://www.water-rightgroup.com/blog/how-to-choose-the-best-water-treatment-systems/