Leaving water out for 24 hours or using dechlorination tablets can help. 5 Is chlorinated water harmful to fish? Yes, chlorine can be harmful or lethal to fish. Always dechlorinate water before adding to an aquarium. 5 Why might someone choose unchlorinated products? Health, environmental concer...
Because bromine tablets take longer to dissolve than chlorine tablets, they don't work well in in-line or off-line chlorinators. Due to its slow-dissolving nature, bromine takes longer to build up a residual in the water, and is difficult to raise quickly if the level drops. A bromine ...