Evolution Aqua 30 inch Dechlorinator Carbon in line FilterThe Detox dechlorinator from Evolution Aqua will remove Chlorine from tap water making it safe to fill up your pond or aquarium. You will never need any treatments again so will make a big saving to your aquatic hobby. The De Tox de chlorinator unit has a high grade activated Carbon which will remove not only Chrloine but also other dangerous chemicals in tap water like Chloramine, Bromine, Malachite Green, Many Dyes, Colour (e. g Humic Acids),