Leslie’s Fresh ‘N Clear Non-Chlorine Pool Shock is a periodic shock that can be used with chlorine, bromine or saltwater systems and is safe for vinyl liners. Several purchasers claim the ...

Bromine was first identified as a chemical element in 1826 by French chemist Antoine Balard. He isolated it from chlorine and found that, in its elemental form, bromine is a highly volatile, ...

the chlorine takes the place of the bromine. Because chlorine is more reactive than bromine, it displaces bromine from sodium bromide. The solution turns brown. This brown colour is the displaced ...