AquaCleanse is used to eliminate common chemicals in tap water that are toxic to fish and other aquarium creatures with no unpleasant odors. These chemicals, such as chlorine, chloramines and ammonia, are in tap water in order to make it safe for us to drink by killing bacteria, viruses and parasites. However these same chemicals can also kill your fish which is why you need to add AquaCleanse to your tap water before settingup a new aquarium and doing routine water changes. AquaCleanse destroys the chemical bonds that form ammonia, chlorine and chloramines. Product Features No offensive odor Will not drastically alter pH Additional Info Buffered formula to maintain alkalinity Does not change pH of seawater Does not upset protein skimmers An advanced odorfree formula that breaks the chemical bonds to permanently detoxify ammonia, chlorine chloramines.