Aquarium Pharmaceuticals Research Grade Super Activated Carbon

A special, super activated, phosphate-free carbon that removes colors, odors, organic pollutants, toxic compounds and medications. Used in research laboratories and universities, this activated carbon yields a high purity resulting in a cleaner, healthier aquarium environment. Premium grade carbon has the best pore distribution for maximum absorption and the most effective filtration. Ideal for freshwater, marine and reef aquariums containing sensitive fish, plants and invertebrates. Made in the USA.