Pools & Spas What kills bacteria in swimming pools? March 6, 2026 by Myaya | Leave a Comment Swimming pools are kept sanitary and safe for swimmers primarily through the use of chlorine, which effectively kills bacteria and other harmful microorganisms. Other common sanitizers like bromine and mineral systems also play a role in eliminating bacteria. Maintaining proper water chemistry is crucial for any of these methods to work effectively. How Do Swimming […] Read more ยป