AlkaViva External Heavy Metals & Sulfur and Iron Reduction Cartridge for Water Ionizers

AlkaViva External Heavy Metals & Sulfur and Iron Reduction Cartridge for Water Ionizers The AlkaViva External Heavy Metals & Sulfur/Iron Reduction Cartridge removes heavy metals and also utilizes carbon for the reduction of chlorine, taste, and odor. AlkaViva is using a compound called KDF that has long been used in water treatment industry for the removal of iron, manganese, and hydrogen sulfides to do this.   PLEASE NOTE:  This filter cartridge is intended for use outside of your AlkaViva water ionizer machine and DOES NOT come with the filter housing. If this is your first time purchasing an external filter cartridge, you will need to purchase the filter housing - sold separately here.    About Heavy Metals, Hydrogen Sulfide and Iron: Hydrogen Sulfide is a colorless gas that has a very disagreeable odor, much like that of rotten eggs and slightly soluble in water. Dissolved in water, it forms a very weak dibasic acid that is sometimes called hydro sulfuric acid. Hydrogen