Waterlife haloex is a fast acting dechlorinator and water conditioner this award winning water treatment works fast to neutralise chlorine chloramine fluorine and other toxins present in tap water which are damaging to fishes invertebrates and plantsr the special formula of haloex will also reduce stress in your fish reinforcing the bodys protective mucus helping to prevent disease and improve tissue growth after an infection haloex should be used when initially filling your aquaria an