Free Chlorine Vs Total Chlorine Vs Combined Chlorine. Ideally less than 0.2 ppm, safe below 0.5 ppm; If combine chlorine levels are higher than free chlorine levels, you should increase the amount of chlorine to better clean your pool water.
When free chlorine is initially added to water it can undergo a very quick reaction with other contaminants in the water, mostly ammonia, nh3. The goal is to achieve a higher level of free chlorine than combined chlorine. Total chlorine is the sum of free chlorine and combined chlorine.
Should be equal to free chlorine most of the.
So if you want to get a measurement for combined chlorine, you first have to figure out values for total and free chlorine. To make things even more confusing, there are actually three types of chlorine — total chlorine, free chlorine, and combined chlorine. When ammonia or organic nitrogen is also present, chloramines known as monochloramine, dichloramine, and trichloramine will quickly form. However, these acids can also react as oxidants, especially with lead, which increases the.
