When chlorine (as a gas or dissolved in water) is added to sodium bromide solution, the chlorine takes the place of the bromine. Because chlorine is more reactive than bromine, it displaces ...

Some might do better with bromine, others with chlorine. How do you determine which sanitizer is right for you? Let’s take a ...

Figure 1: Influence of greenhouse-gas emissions on stratospheric ozone concentration in northern mid-latitudes. In the 1970s, before chlorine and bromine became the focus of the ozone debate ...