How to Test Free Chlorine vs. Total Chlorine Levels
Total chlorine is the sum of the two. Understanding the different levels is crucial to keeping yourwater cleanand you and your family safe. Chlorine in pool and spa water takes care of a host of problems. MMassel / Getty Images It kills pathogens such as algae and mold spores, as well as some parasites and bacteria. Chlorine is the additive to water that kills algae and other harmful organisms. What Is Free Chlorine?...