Rotten-egg smell in your well water? Fix well water that smells bad: 1. Aerate water and/or inject air or oxygen 2. Chlorinate well water to eliminate both sulfur and bacteria 3. Install a Catalytic Carbon Air Injection Backwash Filter 4. Inject hydrogen peroxide and filter with catalytic carbon. 5. Follow aeration, chlorination, ozone or peroxide … Continue reading How To Fix Well Water That Smells Bad? Simple Actions to Take.