Reef Basis Labyrinth Carbon

Steam activated bituminous coal based carbon particularly for marine & freshwater aquariums. Has large a volumes of mezopores and macropores suited to adsorption of a wide range of organic pollutants with minimal impact on trace minerals and pH. Removes stains, dissolved organics and toxic gases in marine, brackish and freshwater systems. High adsorption capability with an iodine number in excess of 1,000 and a molasses number in excess of 600.  Immeasurable phosphates and almost no ash content. Made in the USA.